Yes. First locate the music files in the music folder in you Mac. They might be in a folder labeled music. Next use the following instructions to move the files:

1) Make sure that both computers are turned on and connected to the Internet.
2) In the Finder on your Mac, choose Connect to Server from the Go menu to open the window.
3) Type your PC's network address in the Server Address text box using this format: smb://ServerName/ShareName, or select the name of your PC in this window (if it appears).(You can also check out the browse button to find the PC)
4) Click Connect.
5) Enter your PC's workgroup name, your user name, and your password when prompted, then select the volume or folder you wish to access.
6) Your PC volume should appear on your Mac Desktop.
7) Open the volume and drag and drop files directly from it to anywhere on your Mac.
8) When finished, drag your PC volume to the Trash to unmount it.