Currently, there are more than 1600 pieces of music available, more than half of which are pieces for piano. There are also many pieces for voice, and various other musical instruments. The Mutopia Project home page has a list of links to the most recently added pieces.
See also 
- List of online music databases
- Public domain resources
- Open music
- Free content
- Project Gutenberg, a similar effort but for all cultural works, not just sheet music.
- International Music Score Library Project, a similar music cataloguing project, that collects both typeset and scanned scores.
- Werner Icking Music Archive
- Choral Public Domain Library
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