sid music Share definition Flag Synthetic music generated by the SID sound chip in a commodore 64 computer. The SID chip is a complete analogue synthesizer on a single intergrated circuit. "Rob Hubbard wrote some of the most recognisable SID music on the C64" sid music by Shalroth May 16, 2005 0 0 Get merch Get the sid music mug. Buy Now — $32.95 See more merch