All,

I have three items, books, tunes, and keys. A book can have multiple tunes,
and a tune can appear in multiple books in different keys. I'm not quite
sure how to express this either as database tables or models. If it were
just say books and tunes, I'd have a join table between them and
many_to_many relationships. I'm just not sure how to add in the third piece.

Hopefully, that made sense, if not let me know and I'll see if I can explain
a bit better.

As always, thanks!

-- 
Scott
http://steamcode.blogspot.com/

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