This script uses the UNIX qlmanage command to display a Quick Look window of the selected track(s), which can be audio, video, and, perhaps most usefully, PDF, whereby Preview.app is not necessary. Also handy for playing a single track out of playlist context. Need I add that a keyboard shortcut makes this very handy.
Caveats: 1) under Leopard a media file will begin playing immediately, so the script uses a hack to prevent this, 2) under Snow Leopard and better the QL window's title contains "[DEBUG]" which cannot be suppressed, and 3) the QL window can only be dismissed by clicking on its close box.
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downloaded 5m 50s ago
Swap the name with the artist of selected tracks
downloaded 7m 1s ago
Apply selected CD's CD Text to its disc and track tags
downloaded 12m 41s ago
Correct song titles listed as "Artist - Song Name"
downloaded 49m 24s ago
Gather audio tracks whose files contain no artwork metadata
downloaded 50m 59s ago
Restore each selected track's artwork from an image file stored in its Album folder
downloaded 52m 26s ago
Export album artwork as folder.jpg to Album folder