Q: I manually manage all of my music, especially as it goes to my iPhone. It used to be that when looking at “Music”—either for stuff in my library on my computer, or the “Music” section of my iPhone—iTunes would tell me the total number of files, total play time, and total size. iTunes 11 doesn’t seem to do this, at least not in the “Songs” view. I noticed that the Playlists, when viewed on my…