The Chainsmokers: World War Joy Tour

The Chainsmokers are an American DJ and production duo consisting of Alexander “Alex” Pall and Andrew “Drew” Taggart. They started out by releasing remixes of songs by indie artists. The EDM-pop duo achieved a breakthrough with their 2014 song “#Selfie”, which became a top twenty single in several countries. They are best known for their singles “Closer”, “Don’t Let Me Down”, and “Roses”. They have won a Grammy award, two American Music Awards, seven Billboard Music Awards and eight iHeartRadio Music Awards.

5 Seconds of Summer are an Australian pop rock band from Sydney, New South Wales, formed in 2011. The group consists of lead vocalist and rhythm guitarist Luke Hemmings, lead guitarist Michael Clifford, bassist Calum Hood, and drummer Ashton Irwin. They were originally YouTube celebrities, posting videos of themselves covering songs from various artists during 2011 and early 2012. They rose to international fame while touring with English-Irish band One Direction on their Take Me Home Tour. They have since released three studio albums and headlined three world tours.

Lennon Stella is best known for performing with her sister Maisy Stella as well as their roles on the show, Nashville.