Find duplicate music in itunes library
 

I have a very large itunes library on my Macbook pro. The storage is running full and need to free up some extra space. I suspect there are many duplicate music so my question is how to find those duplicates. Some of them even in different names.

This can be a daunting task if you look it up manually,I know there are some software （On Google）that can help you, just by installing them, it can automatically find those duplicate music on Mac.

I tried the using commands to accelerate the process, but failed