Hans Hassler was created in Switzerland in 1945. He analyzed accordion with Mogens Ellegaard in Copenhagen, and later on learned to try out clarinet, piano, and acoustic guitar. Hassler offers performed musical designs which range from opera to Dixieland. He utilized to execute in Zurcher Kammerorchester, and in addition recorded using the avant-jazz group Habarigani and — especially — Mathias Ruegg’s Vienna Artwork Orchestra and Swiss Artwork Orchestra. Hassler performed in Ivano Torre Quintetto, Defeat Follmi, along with Gebhard Ullmann through the middle- to past due ’90s.