Ken Tucker

"Telescope," the fictional hit single by the fictional country star Juliette Barnes on Nashville, is sung by the actress who plays Juliette, Hayden Panetierre. If it didn't become a real-life hit when the song was released a few months ago to country radio stations, it wasn't for lack of catchiness, courtesy of producers T-Bone Burnett and Buddy Miller.

Ke$ha uses a dollar-sign instead of an "s" in the middle of her stage name. It's one of those gestures that's meant to bait her detractors — suggesting before anyone else does that she's only in it for the money. It turns out, though, that like pop stars ranging from Madonna on back to Chuck Berry, Ke$ha wants it both ways: mass-audience success and artistic acknowledgment. For Ke$ha, that's what her album title Warrior means: She's fighting a war on multiple fronts.