Atari Sounds For The Masses is a GUI Frontend for a great ASAPConv made by Piotr Fusik.
The application is designed for Apple Mac computers with OS X. The new one Mac`s (Intel based CPU) and the older one (PPC)
are supported as well.
With ASFTM you can easly convert Atari music modules between different formats. F.e. You can convert DMC files to SAP, or SAP to WAV and many more. You can also change the conversion preferences (set length of the song, mute channels, relocate music address and so on). All necessary information about ASFTM usage you will find here