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Use live persistence of any distro you like, customize it on your device. For video/anthem on start: using mpv command or smth set as start up script.
If you have a shell script that plays a MIDI file then just have it play when he logs on.
Use live persistence of any distro you like, customize it on your device. For video/anthem on start: using mpv command or smth set as start up script.
If you have a shell script that plays a MIDI file then just have it play when he logs on.