I have ALOT of music on my macbook pro. so much i don't have much hard drive space left and its really slowing down my laptop. i have all the music on an external hard drive. is it possible to play the music directly off the hard drive rather than having to import ALL the songs to my laptop? itunes just imports all the songs automatically and i don't want it to. i would rather just play the music off the hard drive and save space on my laptop