These 8 eras in music have been the biggest era's of the past four years, they've all achieved either hits singles, critical acclaim, grammys, vmas, kcas
![eli's_rhythm](http://img.photobucket.com/albums/v232/korn0818/ATRL_Smilies_All/atrlers/eli_zps0932edf9.gif)
, high tour grosses, outstanding sales, social media popularity, broken records and made them the biggest pop stars of this decade. but which era was bigger, in terms of impact, sales, tour gross, acclaim, and achievements.
![:)](http://www.atrl.net/forums/images/smilies/images/smilies/smile.gif)