M1.XML 20100812 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 20100812 Changelog:
Fixed:
raiden2 - new sound rom dump being used.

Data sync to MAME 0.139u1

Download: M1.XML 20100812
Source:Here