 In September 1950, he founded a jazz club in Stockholm called Gazell.In 1957, recordings from the club and by Engelbrekt were sold to the Scandinavian Record Company (Sonet Records) run by Gunnar Bergström and Sven Lindholm, while the rights to the label Gazell were sold to Dag Häggqvist, though other sources say Häggqvist started the label himself in 1950.Häggqvist sold Gazell to Sonet in 1960 and was run by Sam Charters until Sonet was acquired by PolyGram in 1991.