How to make instrumental music?

i got an fav song i waana hear without the people singing on it. and i can not find the version without the singing and limewire dont work. any programs i can find to make the song instrumental

depends on the song...what song is it exactly.because if you go to like Tower Records or Virgin Records u can find the instrumental of jus the 1 song u want for like 2 bucksz...limewire is free true but hey...sometimes u hafta pay for good music