Idea for handling scales

[trynsta]

Hello. I think it might be useful to have option to choose different scales for “scale highlighting”. I made a concept design how it could looks:

• This design has circle of fifths so user can quickly choose from main scales.

• In the middle of circle of fifths is piano keyboard. Here user can define custom scales.

• “Move notes to new scale” – eg. if project is currently in C major and user change it to C minor then all notes are transposed (E to E♭...).

• “Select scale based on selected notes” – shows new dialog with all scales which matches to selected in piano roll notes.

• “Preview” – play preview in currently selected scale.

Please note that I also made "Select scale based on selected notes" feature request for Zrythm.

[BillyDM]

Interesting. I do think it would be useful to have a mode in the piano roll that only allows notes to be placed in a particular scale, and maybe a sort-of global MIDI effect plugin that snaps/transposed all played notes to a given scale.

Although there are hurdles with such an approach, like audio clips needing to be repitched to match the new scale, what to do if the user wants a note that is outside the scale, and how to handle notes with microtonal information.

The "select scale based on selected notes" might also be tricky because different modes and scale extensions exist.