Copperline is a country music band from Australia, formed in 2016. The band consists of brothers Beau and Lachlan Cassidy, along with their cousin Wade Cassidy. Copperline's music is a blend of traditional and modern country, with influences from folk and rock. They have released two EPs and two full-length albums, and have toured extensively throughout Australia. Their songs often tell stories of love, loss, and the Australian outback.