Virtual Piano: Great fun on touch Screens

Use your mouse to play the keyboard. You can also play chords and add drum beats. Don't forget your earphones!  Tryour hand at composition or play long to the drum beats.  Check it outhere.

MobyGratis - Free Music for Students

This site has copyright-free music by Moby that students can use for their classroom projects.  You will need to create an account and can access ithere.

Soungle - The Google of free Audio effects and Samples

Free searchable database of hundreds of downloadable special effects and musical instrument samples.  I have used this with my own kids for a few tasks and it has tens of thousands of useful audio samples.

Soundation is another top audio app run straight from the browser

Make no mistake Myna is Garageband in the Browser for mine is a far superior product to Soundation but nonetheless Soundation is another great tool for those want to get creative on the web and make some music with minimal fuss.  Students and teachers can use this tools as a powerful online sequencer with 11 real time effects, 3 synthesizers, a drum machine and a fully integrated Sound Shop. It has both a free and paid version and is definitely worth a look if music is your thing.  Get it here.