Playing MuseScore (.mscz) Files MuseScore is a free, open-source music notation program that provides an alternative to Finale and Sibelius. It enables you to “play” scores. You can download MuseScore for free here. >Useful links to the online handbook: Mixer adjusting the volume of each vocal or instrumental part panning each part between the left and right channels changing the sound used to play each part Play mode adjusting the tempo and overall volume using the metronome looping the playback of a selected passage Language settings and translation updates