I was able to minimize MusicMatch 7.5, which has a non-standard interface. However, sometimes it went to the system tray and sometimes it still went to the open window bar. It usually went to the open window bar. If you right click on the open window bar for the program, you had an option to enable the all-to-tray. However, I usually had to ctrl+shift+minimize button on the program window to get it to go to the system tray the first time. Usually after getting the program to the system tray the first time, it went more willingly after that.

Improvement: I would have liked the option to ALWAYS keep program in the system tray, even when the program window was not minimized. That way, I could still see the MusicMatch interface, but the program would not take up a space on Window's open window bar. I would have paid to use the program after the trial expired if it could do that.

I just tried this and I will be buying, this is the first program I have found that lets me minimize music match to the tray, minimizer xp (by tweak xp) doesnt even let you do this. AAAA+++++