Sven Fredrik Johannes Sixten (born 21 October 1962) is a Swedish composer, cathedral organist and conductor. Sixten was born in Skövde, Sweden. He earned his Bachelor of Arts (1986) at the Royal College of Music, Stockholm. He studied composition with Professor Sven-David Sandström and is now recognized as one of Sweden's best-known composers of church music. He is published at all major publishing houses in Sweden. He was the conductor of Gothenburg's boys choir between 1997 and 2001. Today he is the cathedral organist of Härnösand's Cathedral.
https://en.wikipedia.org/wiki/Fredrik_Sixten