Wrongtools 'Mule Piano': An Experimental Prepared Piano Kontakt Library That's Coherent, Playable, and Full of Character
Norwegian professional sample library developer Wrongtools has just released 'Mule Piano'. For composers and producers seeking something truly unconventional, Mule Piano from Wrongtools offers a bold departure from the polished, pristine sound of traditioanal grand pianos. This experimental Kontakt library transforms an acoustic grand piano into a playground of unusual, highly expressive sounds, blending the worlds of piano and percussion in imaginative ways.
The Mule Piano is a prepared piano library, meaning its sound has been altered by placing objects on or between the strings, hammers, or dampers. In this case, the piano has been "lovingly mistreated" with corks, paper, felt, chains, and rubber mallets. The result is a collection of 23 unique patches, with nearly 3,000 recorded tones, each offering its own distinct sonic character.
Unlike some prepared piano libraries, which can feel random or fragmented, Mule Piano's patches are diesigned to be coherent and playable across the entire keyboard. Each patch maintains a consistent character, allowing musicians to make the piano sing, groan, or whisper without it sounding like a junk drawer tumbling down a flight of stairs.
Paper Grand: Cigarette paper transforms the hammers into fluttering butterflies
Cork Piano: Deep, thuddy, nad woody, evoking the hull of a ship
SPZZ Grand: Draped in chains, with the sound of a piano that has endured a few rough marriages
Mallet Grand: Struck with rubber mallets, carrying echoes reminiscent of gamelan temples
Where many prepared piano libraries rely on wide-ranging experimental sounds inspired by John Cage-style techniques, Mule Piano applies the same type of preparation to all strings, ensuring a coherent and playable instrument. Each patch is imbued with richness, character, and authenticity, making it ideal for free-thinking composers who want organic, genre-defying textures in their music.
Whether you're looking for a piano with a "busted smile and a heart of gold" or seeking sounds that blur the line between tuned percussion and traditional piano, Mule Piano provides a unique sonic palette ready to inspire.
With its experimental edge, expressive range, and playability, Mule Piano is more than a Kontakt library — it's a new way to experience the piano.
Features
Niche piano instruments / 23 patches
3,000 samples
3.6 GB in size
Treated with Cork, Paperbits, Rubber mallets, chain, felt, etc.
24-bit, 96 kHz, carefully optimized
Multiple high-end microphones, mixed down to stereo
Compatible with full version of Native Instruments Kontakt (version 6.4.2 and up)
Price
€39 EUR
* Release Date: September 2, 2025.
** This is the pre-order price at half off the full €78.
Wrongtools is a sample library developer from Norway. Our mission is to build inspiring Kontakt instruments. We're award winning composers that live and breathe music. We play in bands, produce bands, compose film scores and orchestral pieces, and have over 20 years experience in working with samples.
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