Blake Shelton will assemble a 20-person choir in Oklahoma City for a new NBC series, Clash of the Choirs, which will
air Dec. 17-20. Shelton's choir will compete against other celebrities' hometown choirs for a chance at winning a charitable
prize to improve their community. Viewers can vote for their favorite choir following performances in New York City, with
the winners announced on the final show. Other participating celebrities include Michael Bolton, Patti LaBelle, Nick Lachey
and Kelly Rowland.




