When using the full screen info visual, I always have the scrolling info line turned off as the information therein is redundant. Why not use this last line of the screen for something more useful in this visual. My suggestion is this. There is a comment line in the ID3 tag, that I think also goes into the empeg database. Why not give the option to have this comment line displayed on the last line of the info visual. That would give the possibility to add additional information of your choice as needed.

/jhr

Empeg #317 - 20GB blue
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Mk2 #080000217 - 20+30 GB amber
spare Mk2a 010101934 10 GB blue