Complex sentence: Jan Sandström (born 25 January 1954, Vilhelmina, Västerbotten County, Sweden) is a Swedish classical music composer, known for the so-called "Motorbike Concerto" for trombone and orchestra and his choral setting of "Es ist ein Ros entsprungen".
Split into simpler sentences: Jan Sandström (born 25 January 1954, Vilhelmina, Västerbotten County, Sweden) is a Swedish classical music composer. His compositions include the so-called "Motorbike Concerto" for trombone and orchestra and his choral setting of "Es ist ein Ros entsprungen".