M1.XML 20100527 is released.M1.XML file for use with M1 - keeping up with changes in MAME.M1 plays the music from arcade games by running the code in the original ROMs (not supplied). This allows entirely authentic playback of classic video game tunes while you work.

M1.XML 20100527 Changelog:
Fixed:
Wing War (wingwar) adjusted to match the parent clone change in MAME.
xmultipl -> xmultiplm72 (X Multiply) to match the parent/clone change in MAME.

Multiple descriptions/company names changed to match the data when syched to
MAME 0.138u1.

Download: M1.XML 20100527
Source:Here