Transfer music from iPod touch to computer
Use DeTune :)



The only FREE iOS to macOS file transfer utility left, that still works in 2019, as far as I can tell...

https://mac.softpedia.com/get/Utilities/DeTune.shtml

After install, set Preferences as such:
 

This way you can transfer any of your files:


music, 
pictures, 
videos, 
etc...


from your:


iPod, 
iPad,
iPhone


to your Mac.