https://patchstorage.com/1-track-piano-beat-marker-w-pan-pd-vanilla-gem/

I tried to copy the korg 3ds dsn interface. - get the notes from the array.

This is how I set up a linux debian for pd and how to install GEM from terminal and PMPD-tar , how to get programs from debian package installer / gimp etc lots `of pictures
https://patchstorage.com/how-to-install-linux-mx-for-pd-gem-pmpd-my-setup/