drum_kit.ogg: http://www.freesound.org/samplesViewSingle.php?id=29534  Creative Commons Sampling Plus 1.0 License.
all other ogg files are ireleased under the GPL and were created by:
- Sylvain Dechy
- Jérome blanchard
- julie jules
- chloé tuvuku

Some sounds comes from omnitux:
http://omnitux.sourceforge.net

Copyright: 2000, 2008 Bruno Coudoin and others
License: GPLv3
Files:
accordion.svg
background.svg
banjo.svg
bongo.svg
castanets.svg
cello.svg
clarinet.svg
cymbal.svg
drum_kit.svg
electric_guitar.svg
flute_traversiere.svg
guitar.svg
harmonica.svg
harp.svg
horn.svg
maracas.svg
organ.svg
piano.svg
saxophone.svg
snare_drum.svg
tambourine.svg
timpani.svg
triangle.svg
trombone.svg
trumpet.svg
tuba.svg
violin.svg
