Uploaded June 2017 | Updated September 2026, 1 week ago
keyboard resource
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KIMBALL Challenger P5 Vintage Digital Synthesizer SFX Drum Machine
🔇 TAP TO UNMUTE
![1970 MATTEL Optigan Program Disc: The Blues - Sweet and Low (4/4) [70020]](https://i.ytimg.com/vi/gBqL76fb4Gw/mqdefault.jpg "1970 MATTEL Optigan Program Disc: The Blues - Sweet and Low (4/4) [70020]
Sounds from Optigan Music Maker. Get the Optigan app to hear better samples and it works just like the real thing. You can even play the virtual discs upside-down (backwards). Or, get them at optigan.com.")
