Local Files total Duration is over inflated

[succorso]

Have this issue?

I did. 

Here's how i fixed it.

Rogue file entries in format ._xxxx appear, blowing out the duration count and killing the desktop app

These Apple double files are created when these files were stored on a non Mac file system.

In my case, these files were on a NAS prior to copying over to my local drive.

Spotify local files is picking them up and causing problems.

I downloaded the file include in this post https://discussions.apple.com/thread/6997793 

works a dream!