M1.XML 20111011 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 20111011 Changelog:
10/11/2011 - 1911 Sets
Changed:
neomrdo - redumped/confirmed M1 rom

Data sync to 0.143u7

Download: M1.XML 20111011
Source: Here