http://www.holidayorchestra.co.uk - fab Cambridge holiday activity weeks (sometimes led by KB!)
www.dsokids.com - great site with musical activities
www.singup.org - songs and much more
www.bbc.co.uk/radio3/makingtracks - musical games
www.nyphilkids.org/lab/make_metrocard - how to make a bassoon yourself
www.drumsforschools.co.uk - Harmonia's African Drum supplier.