Do you mean you are playing a game Full Screen and you want the music player still to be visible on screen?

If so, whether you find one or not, it is going to look very strange in Windows.

Typically Windows Full Screen action games change the resolution of the display to a lower one, like 800 x 600. When you exit the game the video card changes the display back to the native screen resolution. So any media player still displaying is going to be a lot larger than usual and much grainier.

If you are not sure what I mean, open any window on your system and minimise it. Then start your game. During the game press the ALT+Tab key. This will display a list of open windows. With ALT still held down, use theTab key to select any other window, and see what happens.

Mark