M1FX (2013/06/09) is released. M1FX allow you to play arcade game music in background with MAMEUIFX (Select "Listen game music with M1" in the File Menu or right-click on game menu).

M1FX (2013/06/09) Changelog:
- Some small bugfixes.

Download: M1FX (2013/06/09)
Source: Here