Thingamagig = FOSS guitar karaoke (with optional lights)
No pedals. No amps. No knobs. No presets. No cost. Any guitar.
Try this session! https://github.com/cyrusadkisson/thingamagig-radiohead-creep
The main plucked guitar phrase gets recorded out of the gate and then replayed for most of the rest of the song. I probably should have played the melody on top of it instead of the weird strumming you see here, but then that would leave the chorus without a melody. Meh whatever.