The background music is produced by BakoBiiBizo, all copyright reserved by them

This is an exceptionally simple mockup of how the instrument will be to play.

1. Click on the button to play start the backing track.

2 then move your mouse around on the pad to play notes.

in this mockup the backing music stays in
F Major, and the corresponding music pad will only allow you to play those notes within that pentatonic scale: FGACD from F2 to F5
other versions: G minor F Major

Touch/Mouse and drag to play along with the music
disclaimer: the vast majority of the code was copied from the https://tonejs.github.io/ example library and thus this software is under the MIT LICENSE

MIT License
Copyright (c) 2014-2020 Yotam Mann
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.