[ASAP ANSWER REQUESTED]Help with making a movie

Hey im making a movie and it includes naration.
the problem that i am having is adding an extra audio file that plays in the background while naration is occuring. Windows Movie Maker does not have ability to acomplish my request. There for i am asking whether or not ther is a better program that can help or is there a way to make movie maker do what i want it to do….
PLEASE HELP ME ASAP!!!!
Thank you very much for your time!
Answer #1
Try using Ulead Video Studio, I think it has what you are looking for just double check.
Answer #2
Use Sony Vegas, and add two audio tracks
Answer #3
Yea, Sony Vegas is easy to use, or work with adobe premiere. There you can work with more then 1 sound track
Answer #4
tnx for the quick responses and sony vegas works like a charm thank you soooo much!