The man behind the mask, Marshmello is an electronic dance music producer and DJ known for his remixes of Jack Ü and Zedd.
The last couple years have seen Post Malone quickly become an astronomical success, going from making mixtapes for his class mates to touring with Justin Bieber and working with Kanye West, 50 Cent and Young Thug.
Rory Charles Graham, better known as Rag'n'Bone Man, is an English singer-songwriter. His first hit single "Human" was released in 2016 and his debut album, also named Human, was released in February 2017.
British singer and songwriter, James Arthur, won The X Factor in 2012. His first single 'Impossible' has sold 2.5 million copies worldwide. In 2016, Arthur released his second album 'Back from the Edge'.