How to Read .MUS Format
- 1). Order and install the WinScore software from San Andreas Press at winscore.info/purchase.html.
- 2). Click “Start” located in the bottom-left of you screen. Click “All Programs” and then click “WinScore.”
- 3). Click “File” and then “Open” from the top menu of WinScore.
- 4). Click the .MUS file of choice and then click “Open.” The .MUS sheet music appears within WinScore.
Source...