This is a Yamaha XG card, the SW60XG to be exact. It’s an audio card for a PC which extends the MIDI standard to include over six hundred instruments. By today’s standards the almost twenty ...

The Yamaha DX7 was released in 1983 ... run off a computer’s USB port. The Pi receives MIDI commands over the USB interface, and outputs sound via a Pimoroni Audio Shim. Effectively, the ...