There is more than one group associated with the name 415. 1. 415 (사이로) is a South Korean duet under High Up Entertainment. They debuted on February 12, 2019 with the single album 그때, 우리 사랑했을 때. The duet’s name is a reference to the members’ birth date (April 15). 2. An alternative rock group that formed in Forsyth County, Georgia in 2016. The group's current lineup consists of Aidan Powers on vocals and guitar, Sam Wilder on guitar, Josh Allen on bass, and Ethan Page on drums.