Xmas light controller synced with audio playback

Projects General Guidance
1

I'm want to build a LED Christmas light controller that is synced to either Audio or perhaps a FM transmitter that is transmitting Christmas music. Can someone suggest the best architecture? I was assuming I could use an computer to play an MP3 through an FM transmitter and have an Arduino control the lights. But how would I sync these two separate systems? Should I have the Arduino doing the MP3 playback? If someone can point me in the right direction I would appreciate it.

-=STZ=-

2

well, you could use an arduino with a moc/triac to control the lights. and then you could use an elec mic to control the lights via surrounding noises or a FM receiver to control the lights. audio can be read through the analog pins. then some equations to match lights and music.