This is the snippet to add your rhymes over:
My Piano - Contest Backing Track uploaded by
The beat is licensed under a CC BY-NC-SA license which means it can be shared and re-used for non-commerical uses. Jamglue is a remix community that built CC licenses into its structure. The site has actually lets you build songs online right in your browser as if you were using a simplified version of ProTools. They also have a large collection of user contributed beats, samples, and remixes.
It's cool to see Hi-Tek supporting an exciting community like this.