"IMSLP stands for International Music Score Library Project. The logo is a capital letter A, taken from the very first press-printed book of polyphonic music, the Harmonice Musices Odhecaton, published in 1501. Its printer, Ottaviano Petrucci, is this library's namesake." --From home page
Recordings
Use Tripod to find scores held by the Tri-Colleges, and limit the "Collection" to Sound Recordings.
Naxos Music Library
This link opens in a new window
This link opens in a new window
This link opens in a new window
Provides online audio recordings of classical, folk, jazz, and world music from the Naxos, Marco Polo, and Da Capo labels.