Jennifer Lopez talks “American Idol” for Entercom’s syndicated program “Radio Takeover.”

Breakout superstar Bruno Mars on his explosive emergence in 2011. Recorded for Entercom’s syndicated program “Radio Takeover.”

Michael Franti & Spearhead perform “The Sound of Sunshine” live from Studio M at Triple M in Madison, Wisconsin.

Maroon 5 perform the mega-hit “This Love” at WMYX in Milwaukee.

Foster the People perform “Pumped Up Kicks.” 107.7 The End, Seattle.