Twenty One Pilots (stylized in all lowercase or as twenty øne piløts) is an American musical duo from Columbus, Ohio. Initially a trio, the group was formed in 2009 by lead vocalist Tyler Joseph, Nick Thomas and Chris Salih, with Nick and Chris leaving in 2011. Since their departure, the line-up has consisted of Joseph and drummer Josh Dun. The duo is best known for their singles "Stressed Out", "Ride", and "Heathens". The group received a Grammy Award for Best Pop Duo/Group Performance at the 59th Annual Grammy Awards for "Stressed Out". The band independently released two albums, Twenty One Pilots (2009) and Regional at Best (2011), before being signed to Fueled by Ramen in 2012.