Classical music tags are nuts. They're super long, contain nasty punctuation characters and spaces, and no one agrees on the best way to tag a large classical collection. Everyone knows Beethoven's 5th was composed by Beethoven, so it is pointless to put this info in the "Album" and "Artist" tags . If you have more than one version what sets them apart is who is playing, the conductor, maybe even the recording label. Generally, rather than faff around with wacky tags like "Conductor" and "Composer" (which many players do not display) I think what is typically done is the information is all jammed into the "Album" tag.
So is the best solution really a scrolling marquee? I mean, in the best case, with tiny fonts on a large screen iPod like the Video 5.5, you get non-stop, huge lines of scrolling text doing the cha-cha. It's almost tolerable if you slow down the scrolling speed, but there has to be some way to wrap long lines...hasn't there?
Btw, I don't mean to pick on RockBox: most players can't handle classical music tags very well at all. I 've tried Sony NW-AXX series, some of the cheaper Hiby players, and a tiny piece of crap by Hidisz. At least RockBox gives people the tools to try to fix this mess. Has someone already done it? A theme made to wrap super long tags with small fonts and no images wasting space on the screen?