Every entry can be edited by anybody. An entry can
contain a bit of sheet music, a MIDI file, textual
information about the work and the composer, and
last but not least the Parsons Code, a rough
description of the melodic contour.
Musipedia uses the
"Melodyhound" melody search engine.
You can find and identify a tune even if the melody
is all you know. You can play it on a piano
keyboard, whistle it to the computer, simply tap the
rhythm on the computer keyboard or use the Parsons