NEED HELP.. I cant find Minus 1s

[KeNYeo]

H| all, i'm new here and im not sure if this is the right place to post this topic but i realised most of u here can sing and hav minus 1s. Can u guys help me out ? i have no idea where to get minus 1s .. been to music stores etc. cant find compilations in Singapore

[lattae]

This is the wrong place to ask, I am going to move this.

In this post, there is recommendation to use this program called gold wave:
http://jay-chou.net/forums/showthread.php?t=2804

In that same program, there's a function to remove vocals. It is effective for most mp3s out there.