The Music Genome Project is behind this service.  It used to be an invitation only service, similar to Gmail, and its features that sound pretty impressive.  It uses an end-user rating system where you rate whether you like what is playing or not.

A new service allowing you to create your own radio station, shareable with friends, and made up with as many, custom-created and personalized music-channels as you like has made its public debut in the last few hours.

Basically, it’s like Yahoo! Launch, except extremely customizable and sharable.  This cool service costs $36 for a year or $12 for 3 months.

Read More | Pandora via Lockergnome