Load your own samples and shape overlapping grains, random pitch and stereo spread, and slow filter motion into a drifting texture. Open this file in your browser; everything runs locally on your machine.
Salamander Grand Piano. If you load samples from the Salamander Grand Piano library (e.g. individual .wav note files), that work is by Alexander Holm, licensed under CC BY (see the library’s README and SFZ). Keep the required credit when you share recordings or projects that use those samples.