M1.XML 20110124 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 20110124 Changelog:
gekirido -> gekiridn - new parent romset in 0.141u1.

Data sync to 0.141u1

Download: M1.XML 20110124
Source: Here