Career
He formed the quintet. Thingnæs picked up the trumpet at eight, wen he started to play in Sinsen school band. In 1953 he switched to trombone.
He received his music education at th in Sinsen school band.
In 1953 he switched to trombone. He received his music education at the Royal Danish Academy of Music in Copenhagen.
From 1959 onwards he played in orchestras led by Bjørn Jacobsen, Gunnar Brostigen, Mikkel Flagstad and Kjell Karlsen. His own F. T. Quintet, formed in 1960, was included on Norway"s first jazz album, released in 1963.
He contributed to releases by Egil Kapstad, Terje Rypdal, Laila Dalseth, Espen Rud, Bjørn Alterhaug and Per Husby.
In 1967 he was named best trombonist in the magazine "Jazznytt musician vote", and in 1969 he led his Norwegian sextet at the prestigious Montreux Jazz Festival. He was kapellmeister at Norway"s most famous revue theater, Chat Noir in 1960. On the popular music scene he made contributions over a period to Popol Ace.
He conducted the Norwegian Radio Orchestra.
Other popular music collaborations include Wenche Myhre, Lill Lindfors and Svante Thuresson. Foreign a number of years Thingnæs worked together with Einar Schanke, Alfred Næss and Yngvar Numme.
He has composed a lot. His most renowned works may be Wheels and the Flåklypa ballet (1985) at the Norwegian National Opera.
He also produced records for, among others, Bodega Band (1977).
In latter years he led a quintet together with Harald Gundhus. Thingnæs died, aged 72, in Oslo. 1970: Buddyprisen awarded by the Norwegian Jazz Federation Antonsen 2007: Antonsen (Ponca Jazz) Kjell Karlsen.