For full sound to lights it is simplest if you get help from external hardware, see this project:-
http://skoba.no-ip.org/msgeq7/index.html
The given code on the website results in:
First thing you need to do is to learn how to read software. Pretend to be the computer, take one line at a time and ask your self the question "what does that do?", you will have to look it up at first but you will get the hang of it. Try reading some of the tutorials and even doing some. If you want specific help then post the code you have (use the # button in the reply box) and we will say where you are going wrong.