Hi, I'm building an arpeggiator.

And I want to make a list of active notes that are being pressed.

For example,

If I press 3 notes,

[60 127( [62 127( [64 127(

It should output list of pressed notes after pressing last note

print: list 60 62 64

Then if I release one of the note by sending [62 0( , it should output new list with unpressed note removed.

print: list 60 64

I spent many hours to solve it but I couldn't.

Please help me!!

The best way to do this is to write your notes in a table, search the forum there are already some arpeggiators using this method.

update : just realized I've used a list-updating approach for the arpeggiator I've included in the miniwoog, so my answer is a bit weird here !

i think [bag] might be the object you want.