Playing a Real C64 with a guitar (Polyphonic test: Guitar MIDI 3 to TeensyROM to CynthCart to 8580)

You can hear plenty of issues with notes misfiring or being detected but this is reaching a serviceable state.
TeensyROM is a cartridge for the C64 that serves as a MIDI controller and has a bunch of other features (loading games and utils, playing .sid files, etc)
Guitar MIDI 2 and 3 (beta) are the best polyphonic guitar audio to MIDI utilities I know of.. it's sending MIDI to the TeensyROM cart, which is running a software called CynthCart, which takes the MIDI info and speaks to the SID chip, using whatever patch is selected. This patch is arp based.
CynthCart is running right from the TeensyROM cart. TeensyROM comes loaded with it.
The sighted may notice some focus issues with the camera.

[@Nordischsound]

Wonderful!

[@TravsterOR]

That sounds sweet, nice work man!

[@sandificus]

I must have this tone.

[@sandificus]

Bwahahahah…could be the best thing I’ve ever seen.

[@AmigaLove]

That is totally bad ass!

[@div-64]

Thanks! Impressed with your work, Eric!

[@AmigaLove]

@@div-64 Thanks man