Formed in Sydney in 2011 , the band consists of Luke Hemmings ( lead vocals , guitar ) , Michael Clifford ( guitar , vocals ) , Calum Hood ( bass guitar , vocals ) , and Ashton Irwin ( drums , vocals ) .
The band has 4 members : Calum Hood ( bass guitar , vocals ) , Michael Clifford ( guitar , vocals ) , Luke Hemmings ( lead vocals , guitar ) , and Ashton Irwin ( drums , vocals ) .