Here's one I've been sitting on for a long time. There's no way for Smart Playlist criteria to detect if a track has artwork. So I wrote a script (for my own self) that set the BPM tag to "1" if selected tracks had artwork. Then I created a Smart Playlist that uses "BPM is 1" to pull in tracks with artwork. Duh. Today I get iChatted by a user who wanted to do something similar, so I had to own up to the script and thought I might as well post it. Artwork=1 BPM. Now, if you Really Use the BPM tag for Beats Per Minute then you don't want this script. But, if you're like me and see the BPM tag as superfluous, this is a great way to use it for Something Advantageous. It may also give you ideas for other BPM settings...sort of like a secondary Genre tag or something. Whatever. It's Friday.
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