Locate the music file via My Computer and  .........

#1
Right click on  the file name and left click on properties






#2
On the General tab uncheck Read Only if required






#3
On the Summary tab left click advanced






#4
Click on value you want to change (you can also copy and paste these values if required). Click Apply and OK when prompted. This changes the information stored in the music file header. You can recheck the Read Only box on the general tab if required.