MML is a music description language used in sequencing music on a number of computer and video game system platforms. It's basically a text file which can be compiled into a native music file for a video game console. Several dialects of MML exist: - MCK (NES/Famicom 2A03 only) - '[[PPMCK] (NES/Famicom 2A03 + expansions) - '[[XPMCK] (various chips/computers/consoles) - '[[Professional Music Driver (PMD)] (PC-x801 YM2608 and YM2203)