diary livejournal fossils
$0.99 single piece sale (3-day weekend? one week? one month?) - sell individual short pieces like art-songs or piano pieces for $0.99. Offer some songs only through this deal?
Build-your-own songbook - for the price of the songs plus a small fee, combine pieces into a book - make sure LaTeX, PDF combining, and page-numbering are all worked out firs