Bandemonium: ABCya! music game that explores the characterisitcs and sort by categories of instruments.
Sound Burst: ABCya! music game that experiments with sound, color & patterns.
Chrome Music Lab:This site provides interactive experiments for exploring music.
KIDiddles: This site offers a large collection of children's song lyrics.
Mama Lisa's World: This site offers a large collection of children's songs and rhmes from around the world.