The Hilltop Hoods are an Australian hip-hop group formed in 1997, known for their unique blend of rap and live instrumentation. Their discography includes several studio albums, starting with "Back Once Again" in 1999, and they gained significant recognition with "The Calling" in 2003. Over the years, they have released multiple successful albums, including "State of the Art" (2009) and "Drinking from the Sun" (2012). Their music often features themes of social issues and personal experiences, contributing to their reputation as one of Australia's leading hip-hop acts.