Duke Out of the Blue is Duke University's oldest and most award-winning all-female a cappella group.Since 1980, they have performed in Carnegie Hall, toured Club Med, performed live on Turkish television, competed in SoJam, sung the national anthem at countless Duke Blue Devils Men's Basketball games, and entertained audiences at local, out-of-state, and overseas venues.Out of the Blue (OOTB) has appeared on multiple BOCA (Best of Collegiate A Cappella) CDs and is consistently recognized and awarded by the Contemporary A Cappella Society (CASA).