The BSO 70th Anniversary Concerts - Cosmos features the Burnside Symphony Orchestra celebrating its milestone with a series of performances. The concerts will showcase soloist Dave Khafagi on trumpet, performing notable works including Lili Boulanger's 'D'un Matin de Printemps', Hummel's Trumpet Concerto, and Holst's 'The Planets'. The event takes place on September 20 and 23, 2026, at the Burnside Ballroom, promising an enriching experience for music lovers.