The South Dakota Symphony Orchestra (SDSO) is an American orchestra located in Sioux Falls, South Dakota and is a member of the League of American Orchestras. Approximately 90 musicians make up the orchestra, varying from professionals to semiprofessionals. A typical season consists of several touring performances as well as ten concerts with full orchestra, five chamber concerts, and two special event performances. Concerts are held in the Washington Pavilion of Arts and Science in downtown Sioux Falls. The SDSO official song is "Alleluias for Orchestra" written by South Dakota composer Stephen Yarbrough. In 2007 the endowment for the SDSO was 2.2 million dollars a growth of 28 times since 1998. - Source: Wikipedia
