5 Seconds of Summer, often shortened to 5SOS, are an Australian pop rock band from Sydney, New South Wales, formed in late 2011. The group consists of lead vocalist and rhythm guitarist Luke Hemmings, lead guitarist Michael Clifford, bassist Calum Hood, and drummer Ashton Irwin.

Some of their most popular songs include "Youngblood", "Teeth", "Lighter", "She Looks So Perfect", "Ghost Of You"