Swedish composer, multi instrumentalist and vocalist born October 4, 1950 in Kungälv.

He plays trombone, keyboard, accordion, bass and more. He is a member of the group Norrlåtar. In addition to this, he has been in Anton Svedbergs Swängjäng as well as in Rekyl, a rock prog band from Luleå (many songs from the film "Lusten till ett liv" are by Rekyl). He has also played some jazz and participated as a musician and actor at Norrbottensteatern and in Ronny Eriksson's TV series. Sjöö grew up partly in Luleå and now lives in Svartöstaden in Luleå.