Otto Olsson was one of the greatest organ virtuosos of his time. He studied organ with Lagergren and composition with Dente at the Royal Swedish Academy of Music, and then joined the faculty there, where he taught harmony (1908–24) and then organ (1924–45). He was also the organist at the Gustaf Vasa Church in Stockholm. He became a member of the Swedish Royal Academy of Music in 1915

Final ur Orgelsymfoni nr 2 - recorded at a live concert in the Gustaf Vasa Church in Stockholm 20. 02. 2003