Def15 has 7 Atreyu concerts.

Named after the protagonist of "The NeverEnding Story," Atreyu is a melodic metalcore band that includes both "unclean" and "clean" vocals, each performed by different members. In 2001, Atreyu signed with Victory Records, which released the band's debut album "Suicide Notes and Butterfly Kisses" in 2002. In 2007, Atreyu moved from Victory to Hollywood Records. With Hollywood, Areyu released its fifth studio album "Lead Sails Paper Anchor," which remains the band's highest-ranking album on the Billboard 200 chart, peaking at eight. In 2011, Atreyu went on hiatus but reunited in 2014. Since then, Atreyu has released several studio albums and continues touring extensively throughout the world.