e-instruments
Session Keys Acoustic Bundle by e-instruments Review
2025
Session Keys Acoustic Bundle by e-instruments Review
There are so many piano libraries available you could get dizzy just looking at half of them – but today we’ll have a look at a collection that’s balanced, well priced and well worth a look – Session Keys Acoustic Bundle from e-Instruments.
I’ve long been a fan of their Session Strings and Session Woodwinds lines, but this is the first time I’ve looked at the Session Keys line. As always, they have made sure to give us a diverse collection with all kinds of sampled keys from grand pianos, funky upright pianos, EPs, Wurlitzers, and more. We also get nice and varied accompanying instruments like guitars, mallets, and shakers which can add flavor to your songs in many ways.
e-Instruments are probably best known for partnering with Native Instruments to release libraries like Session Horns Pro and Session Strings Pro. The Session Keys Acoustic Bundle is a package containing three pianos that can also be bought separately – Session Keys S, Session Keys Y, and Session Keys Upright. E-instruments did send a review copy with no strings attached. In addition to their collaboration with Native Instruments, e-Instruments also offers their own range of Kontakt instruments for music production and sound design. They have received positive feedback for their high-quality sampled instruments and intuitive interfaces. Recently, they have also been gaining attention for their brainworx bx_console review, which has been generating a lot of buzz in the music production community. This review highlights the impressive capabilities of e-Instruments’ software and the impact it has had on the industry.
All three libraries sport precise deep-sampling and tone controls – the grand pianos were sampled with their lid both open and off completely, while the upright was sampled with the front panel both on and off.
Session Keys Acoustic Bundle Installation
The library is downloaded in parts (there’s a fair bit of content) and then each piano library can be unzipped to your folder of choice. Then you simply log in to the Native Access program (which can be downloaded from Native Instruments’ site) and add the library to your account by activating the serial number you were given at purchase and pointing Native Access to where you unzipped the folder.
Session Keys Acoustic Bundle Sound
Overall, these three pianos sound immaculate. The recording is crystal clear, perfectly balanced and they all feel great to play. You can get a sense of the weight and presence behind each key even when using a standard MIDI keyboard because the transient detail has been captured very carefully.
Session Keys S
Let’s start off with the “Standard” in this bundle which has everything you need for your basic piano library. Here are some demos I’ve put together of the Session Keys S in action with some accompaniment from my fellow musicians at CMH Label Group.
First up is a ballad played on the grand piano. It’s so clean and natural-sounding that it really evokes the feeling of being there in the room with the piano. Then we have a jazzy “Elvin-ish” number. You can hear all kinds of little details in this one, even when the track begins to get busier.
The upright piano is a classic jazz staple, and this one does not disappoint. Then we have a funky number played on the upright accompanied by some guitar for extra texture. This piano has a very distinctive sound that I’m really liking – it reminds me of old blues recordings from the 1920s.
Session Keys Y
The Grand Piano was carefully chosen, meticulously tracked, and programmed with an inventive feature set to provide unrivaled flexibility in this amazing collection of instruments.
Grand Y is able to reproduce the clean, transparent, and dynamic sound of a Yamaha CFIIIS. This remarkable instrument has clear overtones, brilliant high end, and a powerful bass range.
The Sessions Keys Grand Y is the first intelligent instrument with a new level of sound design and music production capabilities.
The Pentamorph controller allows piano users to effortlessly change the instrument’s acoustics, from conventional characteristics sounds to atmospheres that extend far beyond what a single knob can do.
The Animator may produce genuinely beautiful piano pieces in the most adaptable manner, thanks to its ability to generate completely musical piano songs. The Animator’s unique interface makes it easy to construct flexible piano phrases that follow your harmonies, offering you the ultimate source of musical inspiration.
With smart chords, you may create harmonic power with little effort. – Session Keys Smart Chord Mode gives a completely new and unique approach to adding musical expression to your project by allowing you to make instant piano chords at your fingertips. Chords or Animator riffs can be played on the pad controller or single keys, depending on your song’s key: simply select the key of your song and Smart Chord Mode will generate the harmonies for you.
The Effects and Detailed Editing – The distinct resonances and noises that define an instrument’s sound character are essential to achieving great sound. Every aspect of the Session Keys grand pianos’ parameters, in addition to the Pentamorph controls, may be accessed and modified in fine detail to enhance the instrument’s individuality and expressiveness. All of these Reverb and FX plugins include a wide range of controls for creative sound design, allowing you to freely shape your sound with no limits.
Session Keys Upright Y
The Grand Y is able to reproduce the clean, transparent, and dynamic sound of a Yamaha CFIIIS. This remarkable instrument has clear overtones, brilliant high end, and a powerful bass range.
This all-new upright piano offers an unprecedented level of realism in both sound and playability.
Some gamers claim that an imperfectly reproduced piano sounds more lifelike, yet e-Instruments has been able to obtain a life-like tone and feel while remaining clinical throughout the recording process – not an easy accomplishment.
Session Keys Upright Smart Chords
This Grand Y is able to reproduce the clean, transparent, and dynamic sound of a Yamaha CFIIIS. This remarkable instrument has clear overtones, brilliant high end, and a powerful bass range.
The Session Keys Upright Smart Chord Mode gives you instant access to perfectly composed musical phrases and chords. Simply select the chord and play the pad controller or single keys for each note you want to use, depending on your song’s key: simply select the key of your song and Smart Chord Mode will generate the harmonies for you.
The S Piano has a wonderfully clear and crisp tone that will fit perfectly into pop, rock, cinematic and electronic music. It’s definitely a piano you can put into your “does everything” folder.
The Y Piano has a slightly more singing tone, and while it can handle the same tasks as the S, it’s especially useful for more intimate and warm passages, especially when playing the lid-off version with the softer dynamics active. It’s hard for me to name a favorite of these two grands, because I think they’re both stellar in their own ways. Then we come to the upright.
Personally, I’m a very harsh critic when it comes to upright pianos – there is a particular sound I like, and I’m very adamant about it. Needless to say, Session Keys Upright didn’t quite appeal to my tastes – I prefer a full, resonant and dark tone – whereas the Session Keys Upright has a brighter, thinner and more classical sounding tone. That’s not necessarily a bad thing though, as this upright is by all means a beautifully sampled instrument with plenty of that upright character, and it’s near flawless. I just prefer my uprights to have a darker character, so it comes down to preference in the end. The upright still gets top marks disregarding my personal taste.
Session Keys Acoustic Bundle User interface & Usability
The interface for each piano is elegant – pop up pages are provided for tweaking the EQ, Compression, Reverb and such, as well as a page for dialling how much in-harmonic, harmonic and sympathetic resonance you’d like to have, as well as key, pedal and release noise. Combine this with the handy mechanical sound boost provided on the front page and you can get some pretty rich and full on tones from each instrument. This is a great thing, because if you don’t quite like how “perfect” each piano sounds, you can dirty it up and make it as noisy as you want. Add in a dynamic response knob, a smart chord creator and a soft pedal that puts the spotlight on the softer dynamics, and you get a piano collection that’s easy to customise to your taste no matter what style of music you’re composing in. It’s quite an accomplishment all said and done.
As far as usability, sound, tweak-ability, and value for money are concerned, Session Keys Acoustic Bundle is hands down one of the greatest collections you could ever invest in. Pianos can be a rather personal thing to a lot of composers, and personal taste plays a lot in purchasing and using these libraries, so inevitably there will be those who won’t like this collection.
But sufficed to say, I’ve played and owned countless piano libraries and can be a bit of a snob when it comes to criticising piano tone – and I couldn’t help but eventually fall in love with Session Keys after weeks of constant testing and comparing to other heavy hitters like Keyscape from Spectrasonics, Definitive Pianos from Galaxy Instruments, and Walnut Steinway from Imperfect Samples.
Rating: Five out of five stars
e-Instruments have essentially pulled off a miracle by creating a library that can satisfy almost any composer’s hunger for an ideal piano sound with a little tweaking. Whether you’re an eclectic composer, a piano snob or just a piano library collector, Session Keys Acoustic Bundle deserves to be at the top of your list.
Cremona Quartet – A Collection Of Four Revered Stringed Instruments
e-instruments, the company known for popular Kontakt based instruments such as Session Horns, Session Strings, and Session Keys, is expanding the history-making Stradivari Violin Kontakt instrument with their new Cremona Quartet.
The Quartet features four solo instruments; Violin 1, Violin 2, Viola, Cello. The instruments were created by meticulously recording a Stradivari Violin, Guarneri Violin, Amati Viola and Stradivari Cello.
When the Museo del Violino (the guardians of the Stradivari collection) wanted to find a way to capture and preserve the tone and playability of their priceless collection of instruments they turned to e-instruments. The team at e-instruments is known for approaching the creation of modern digital instruments with the same craftsmanship and attention to detail as the luthiers who first created these world-famous violins.
The collaboration has been a perfect fit with the painstaking process garnering the attention of the worldwide press when the recording took place in January 2019. Pristine sampling and innovative technologies mean the unparalleled recreation of four historic instruments that have to be played to be believed.
Features At A Glance
- Four Solo Instruments; Violin 1, Violin 2, Viola, Cello
- Smart fingerboard positioning
- Multi-channel, stereo phase-aligned dynamic layers
- Mix between close, mid and far mic positions
- Additional room noise control
- Performance-captured vibrato emulates human vibrato technique
- 20 Professionally played articulations
- Including up to 3 legato transitions per articulation
- Virtuoso articulation combines multiple playing techniques without the need for key switching
- Native Instruments NKS compatible
STRADIVARI VIOLIN – ‘VESUVIUS’
Born around 1644, household name Antonio Stradivari is the most famous luthier in the history of violin making. His innovations in proportion and shape set trends that continue to influence the craft today. His ‘Vesuvius’ violin, the leader of our CREMONA QUARTET, was built in 1727 towards the end of the master craftsman’s golden period.
STRADIVARI CELLO – ‘STAUFFER’
Though best known for violin making, Stradivari also made other stringed instruments. His ‘Stauffer’ cello, built in 1700, is listed as an Italian national treasure. Completing the quartet with luscious deep tones, it adds weight to the overall sound of the ensemble.
GUARNERI VIOLIN – ‘PRINCE DORIA’ –
Stradivari may be the world’s most famous violin maker, but many of the world’s most prominent players and composers consider Guarneri del Gesù to be the best. The second violin in the quartet is his ‘Prince Doria’, built-in 1734.
AMATI VIOLA – ‘STAUFFER’
A pioneering luthier, Andrea Amati is widely regarded as the inventor of the violin as we know it. His son Gerolamo continued this tradition in the family workshop in Cremona, and built the quartet’s oldest instrument, the ‘Stauffer’ viola, in 1614.
The collection was recorded in the heart of Cremona, the birthplace of Stradivari and the very auditorium designed to hear them at their best, the Auditorium Giovanno Arvedi. The meticulous recreation of these iconic instruments makes playing the collection a reality, in more ways than one. Not only does the high-quality sample content preserve the sound of these revered instruments for future generations, but also packs the mastery of this historic collection into a set of powerful instruments for modern composers.
The project brought new technical challenges to the e-instruments team who wanted to ensure that this recreation would be free of compromise both in terms of sound and playability. The collection features new technologies such as;
Multi-channel, Stereo phase alignment – Every single note of each instrument has been painstakingly sampled at different dynamics and phase-aligned in stereo across multiple microphones. This ensures that all dynamic transitions are free from any phasing artefacts and dynamic changes over long legato transitions, from the softest pianissimo to the most forceful fortissimo, are indistinguishable from that of the real thing.
Performance Captured Vibrato – The e-instruments innovation of performance captured vibrato takes the recording of a professional player’s vibrato technique, then reapplies the behaviour of the vibrato parameters to the sample, allowing you to automate or control in real-time, resulting in full and realistic control for an expressive and natural sound.
About e-instruments
Based in Hamburg, Germany, e-instruments creates innovative, easy-to-use virtual instruments allowing musicians to focus on what’s most important – the music. Other products include the highly successful Session Horns (Pro), Session Strings (Pro) and Session Keys instruments.
The company’s mission is to combine acoustic accuracy, outstanding sound quality, and an intuitive user interface in developing virtual instruments for all musicians and genres; capturing the clarity, warmth, and soul of real instruments for real musicians.
Pricing and Availability
Cremona Quartet is available from Oct, 1st 2020. Price 399€ / $399 Full Version or 199 € / $199 Upgrade from Stradivari Violin.
Stradivari Violin a Historical Masterpiece Recreation by e-instruments
e-instruments partnering with Native Instruments’ Stradivari Violin lets you perform a legendary Stradivari Violin from 1727.
Tap into the authentic sound of a treasured instrument from the world’s most renowned violin maker. Built in 1727 by Antonio Stradivari, the ‘Vesuvius’ violin embodies the Italian master luthier’s unparalleled skill. STRADIVARI VIOLIN captures the sound of this historical instrument in painstaking detail, as played by master musicians in the rich acoustic environment of Auditorium Giovanni Arvedi, Cremona. Chromatically sampled notes, phase-aligned velocity crossfades, performance-captured vibrato, a wealth of articulations, and mixable mic positions enable you to produce highly expressive, realistic solo strings with a unique timbre famous for 300 years.
STRADIVARI VIOLIN is the culmination of several years of collaborative planning and execution by e-instruments, Native Instruments, and the Museo del Violino in Cremona, Italy. The museum launched the project to digitally preserve the iconic historical instruments in its collection while enabling a new generation of contemporary musicians to use them in their own work.
Discover the extraordinary measures taken to ensure that the instrument’s unique sound was flawlessly captured in the Auditorium Giovanni Arvedi, and find out how the team at e-instruments transformed the samples into a fully playable music production tool.
Originally sampled as a quartet, the legendary tone of Native’s solo STRADIVARI VIOLIN will be followed by the CREMONA QUARTET release in autumn of 2020.
Stradivari Violin Features
- Solo Violin Instrument
- Smart fingerboard positioning
- Multi-channel, stereo phase-aligned dynamic layers
- A mix between close, mid and far mic positions
- Additional room noise control
- Performance-captured vibrato emulates human vibrato technique
- 20 Professionally played articulations
- Including up to 3 legato transitions per articulation
- Virtuoso articulation combines multiple playing techniques without the need for key switching
- Native Instruments NKS compatible
- Size: 23.5 GB / 39 GB (Lossless Sample Compression)
- 24 bit, 48 kHz
- Kontakt instrument – requires free Kontakt 6 Player or Kontakt 6 Version 6.2.2 or higher
Pricing and Availability
STRADIVARI VIOLIN is available for an introductory price until July 13th, 2020.
Cory’s Library Spotlight – Session Strings Pro 2 by e-instruments
SESSION STRINGS PRO 2 includes 26 articulations, including legato, portamento, and glissando as well as multiple crescendi, trills, scoops, falls, and glissandi. Add realistic, nuanced expression to your string arrangement by drawing from a vast array of playing articulations.
Session Strings Pro 2 Features
- Mid-sized contemporary strings
- Two separate seating positions: Modern and Traditional
- Up to 8 Violins, 6 Violas, 4 Celli, 4 Basses
- Ensemble and individual instrument groups patches
- Smart Chord to create fully orchestrated string chords from single keys or pads
- Smart Voice split to allocate chord notes automatically to the correct instrument group
- Phrase Animator with 180 flexible string arrangements
- Fully editable Rhythm Animator with 264 patterns
- Mixer page to set volumes, effects and processing of individual instrument groups
- Color master effect with 51 unique convolution based multi effects
- Native Instruments NKS compatible
- Size: 38 GB / 49 GB (lossless sample compression)
- 24 bit, 44.1 kHz
- Kontakt instrument – requires free Kontakt 5 Player or Kontakt 5 Version 5.8.0 or higher
- System Requirements:
- Windows 7, 8 or 10 (latest Service Pack, 32/64-bit) Intel Core 2 Duo or AMD Athlon 64 X2, 6 GB RAM
- Mac OS X 10.11, 10.12 or 10.13 (latest update), i5, 6 GB RAM
- An Internet connection and a graphics card that supports OpenGL 2.1 or higher are required to download and activate this product. Once installed and activated, the product can be used offline.
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