Musical acoustics

General acoustics

http://www.falstad.com/mathphysics.html

http://demonstrations.wolfram.com/SoundsOfWaveforms/

http://demonstrations.wolfram.com/TheSoundOfSineWaves/

http://demonstrations.wolfram.com/OutgoingWavesGeneratedByAPulsatingSource/

Musical acoustics

https://secure.wikimedia.org/wikipedia/en/wiki/Musical_acoustics

http://www.phys.unsw.edu.au/music/

http://www.audiosonica.com/en/course/post/2/Index

http://www.physics.umd.edu/deptinfo/facilities/lecdem/misc/phys102/index.htm

http://www.phys.cwru.edu/ccpi/

http://www.fortunecity.com/tinpan/lennon/362/english/acoustics.htm

http://www.acoustics.salford.ac.uk/feschools/index.htm

Classification

https://secure.wikimedia.org/wikipedia/en/wiki/Hornbostel%E2%80%93Sachs

Chordophones

http://demonstrations.wolfram.com/TheVibratingString/

http://www.falstad.com/mathphysics.html

Aerophones

http://www.phys.unsw.edu.au/jw/flutes.v.clarinets.html

Two dimensional vibrations

Membranophones

http://demonstrations.wolfram.com/VibrationsOfARectangularMembrane/

http://www.falstad.com/mathphysics.html

http://demonstrations.wolfram.com/ChladniFigures/

Three dimensional vibrations

Idiophones

http://demonstrations.wolfram.com/TuningFork/