Iyaz Sweetens Up Green Day
Iyaz Mashup Mondays Billboard Staff

"There's something about Green Day: those guys go hard," says R&B newcomer Iyaz, who chose the punk trio's 2009 single "21 Guns" to mashup with his sweetened tenor. You wouldn't guess it, but the singer, who scored his first Pop Songs No. 1 in January with "Replay," is a big Green Day fan. "I've been listening to them for years... so I said why not do a cover [and] show my appreciation for their music."

Iyaz was attracted specifically to Green Day's rocking power ballad "21 Gun," a No. 3 hit on the Alternative Songs chart (and No. 5 on Rock Songs), because "I feel free when I listen to that song."