AppleScript to remove artist prefix from track name

prefix.scpt

tell application "Music"
	repeat with trk in selection
		set oldName to name of trk
		set prefix to (artist of trk) & " - "
		if oldName starts with prefix then
			set len to length of oldName
			set newName to (get characters (get length of prefix) thru len of oldName as string)
			set name of trk to newName
		end if
	end repeat
end tell