LED interactive with music

i go through lots of circuit forum for my project

http://forum.allaboutcircuits.com/

http://www.electro-tech-online.com/

http://www.electro-tech-online.com/

i raise some of the questions and get some help form ppl online .(i will credit them in my report)
i never study physics and these circuit stuff so the whole project is very challenging

finally i made up a circuit suit my project and i think i am able to finish it.
i will post the circuit diagram later

simple ways to lit led

LED throwie

A simple led cube

DIY LED Reef Aquarium Light


but these only lite the leds up and not interactive

led circuit research

http://www.qsl.net/yo5ofh/hobby%20circuits/led_circuits.htm
http://en.wikipedia.org/wiki/LED_circuit
some easiest circuits

some complicated ones

bought some leds and switch for experiment