How to move songs from Apple music on Mac to usb

Apple music stores your music in your Users -> yourname -> Music folder.

Keep in mind though unless you authorize another computer for the same Apple Music account, any Apple Music store purchased music will only work on the machine authorized.

There is a limit to the number of authorized machines. So if you want to move to another computer, deauthorize the machine you are moving from if you get an error trying to authorize the other machine.