I purchased music on my iphone, when i go on my itunes account on my pc it says on the right hand side with the genius toolbar, "purchased" but the albums are not on in my library or my iphone ipod, when i was bying them from itunes my battery went flat and possibly wasn't able to download properly! but now i cant retrieve the music. when i try and but the music again it wont allow me cause it says i have already purchased this???? hellllllppppp!!!!!