M1FX v3.0 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 v3.0 Changelog:
- Added ability to recording WAV OUTPUT to M1FX (As requested)
(\AUDIO\ directory is the output files folder)
- Integrated M1FX with official M1 CORE and make it a stand-alone executable
(No more need of external M1.DLL which can be safely removed from your MAMEUIFX setup)

Download: M1FX v3.0
Source: Here