content: on run argv
    tell application "iTunes"
      set persistent_id to (item 1 of argv) as string
      set specified_track to (some track whose persistent ID is persistent_id)
      set loc to (get location of specified_track)
  
      set converted_tracks to (convert specified_track)
      set converted_track to item 1 of converted_tracks
      return persistent ID of converted_track
    end tell
  end run
  