what is the name of this old Vh1 show?

Question

There were 3 "up-and-coming" bands who competed to win. On one round they had to play a song, BUT in a different genre than they were used to. In another round, one band would play a song and then abruptly stop and the next band would have to pick up exactly were they left off. I think I remember a panel of Judges judging how they did. Surely someone out there remembers this show, I can't be the only one!

I think it was hosted by the zappas

Answer 1

Cover Wars
wasn't it something about the best cover band
paul shaffer from david letterman hosted?

okay second try
Happy hour?
i tried to search imdb.com and this all i can come up with