5SOS

It’s not often that Luke Hemmings finds himself on his own. For the better part of the past 12 years, the 27-year-old singer and songwriter has shared the stage with his three bandmates in 5 Seconds of Summer. The Australian pop-rock band has built its career around being a relentless touring act, playing to thousands-deep audiences on nearly back-to-back runs in support of five studio albums. Four years ago, when that cycle was interrupted for the first time, Hemmings retreated into himself.  His first solo…