Green Day Lands First Mainstream Rock Songs No. 1 in 7 Years With 'Bang Bang'
![Green Day Lands First Mainstream Rock Songs No. 1 in 7 Years With 'Bang Bang'](http://www.billboard.com/files/styles/promo_225/public/media/green-day-press-photo-2016-billboard-1548-a.jpg)
Green Day returns to the top of the heap on Billboard's Mainstream Rock Songs chart with a, well, bang, as "Bang Bang" -- the lead...
Green Day returns to the top of the heap on Billboard's Mainstream Rock Songs chart with a, well, bang, as "Bang Bang" -- the lead...