M1.XML (2014/04/08) 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 (2014/04/08) Changelog:
Diggerman - changed m1 rom
waveshrk -> jetwave
getstar -> grdians

Data Sync to MAME 0.153

Download: M1.XML (2014/04/08)
Source: Here