Lady Gaga has been so busy over the past five ... The glittery disco-funk tune “Zombieboy” situates the shout-along charm of Gwen Stefani’s “Hollaback Girl” with the rhythmic propulsion ...

Tickets: $24 and up. On Saturday, "Beyond The Blonde" celebrates the music of powerhouse pop divas Gwen Stefani, Lady Gaga and P!NK, complete with multiple costume changes. Tickets: $8 and up.

From must-see concerts to upcoming music releases and more, we're breaking down the hottest music news and events happening from Los Angeles to New York.