Kinda off-topic, but this may be useful to you...
I recently undertook the task of organising my rather large classical collection. The default tage simply don't cut it for the following reasons:
--> each piece will have multiple artists (composer, performer, arranger, conductor, orchestra/ensemble)
--> tracks will belong to a physical album (eg Best of Bach) and to a work (eg Brandenburg Concertos) so a single album tag won't suffice...
If your considering migrating to a taggable format (I find ape fantastic) setting up custom tags suitable to your needs is the best idea. I use the following tags for tagging classical music:
Eg. Bach's: Brandenburg Concerto No.1 BWV 1046 in F Major I. Allegro
[Default Field]
[Custom Field]
[Composer] = Bach, Johann Sebastian
[Artist] = Johann Sebastian Bach
[Album] = Brandenburg Concertos 1-6 (ie the CD album purchased)
[Performer] = Emanuel Hurwitz (Violin); Peter Graeme (Oboe); Ifor James (French Horn); Anthony Randall (French Horn)
[Conductor] = Benjamin Britten
[Band] = English Chamber Orchestra (ie the orchestra or ensemble)
[Genre 1] = Classical (vs. Popular, Film, Comedy etc)
[Genre 2] = Baroque; Chamber Music
[Genre 3] = Concerto
[Works 1] = Concertos and Orchestral Suites
[Works 2] = Brandenburg Concertos
[Classical: Title] = Brandenburg Concerto No.1
[Classical: Name] = (ie common name of piece: not used for this piece)
[Classical: Opus] = BWV 1046
[Classical: Number] = (used for opus parts: not used for this piece)
[Classical: Movement] = I. Allegro
[Key] = F Major
[Date Written] = 1721
[Date Recorded] = 1995
[Date Released] = 1995
The only problem with this for you is that custom fields generated in MC aren't visible in other programs. If you set up MC right, though, there's no reason why your family shoulf find it any more complicated than WMP. If anything, MC's view schemes should make this simpler (the hard part is setting them up)
Without going into too much detail, I then put together an expression (as a new field: "Piece") based on the above fields, which formats the output based on which fields are filled... That way I can fill out whichever fields I've got the information for, and still get a nice clean display to browse my classical music...
If anyone has any form of an organised system for classical music, I'd love to hear about it!