Help: Getting track meta info (eg: artist, start, length)

How do I look up a track’s meta info? Say I have the information the finder gives me about a mounted CD (eg: disc name (album title) and file name (track title.aiff), how do I look up the meta info? thanks a kajillion! Oh and, is there anyway to instruct iTunes to play a song at a particular SPEED? (eg: tune down 1/2 step)


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