Thorbjørn Stefansson, a renowned double bassist and composer, is widely recognized as a versatile artist on the scene for improvised music. He is an integral part of the Danish and German jazz scenes and has collaborated with numerous national and international artists such as Loren Stillman, George Garzone, Kit Downes, and Jim Black. Thorbjørn is involved in various projects and released his debut album with the trio Dream Big Fish in 2024. In the same year, he won a DMA award in the category "Alternative Jazz Release of the Year" for the album Rasmus Holm Quartet & Crush String Collective - anXietY Suite. Other releases include Kaiser Pommes (2024), Sun Ark (2024), Nissen Mosh - Precious (2022), and Rasmus Holm Quartet - Fatamorgana (2021). In 2021, he received the JIB Jazz Prize for "Outstanding Soloist."

Thorbjørn has toured Denmark, Germany, Switzerland and the Netherlands, performing at internationally renowned jazz festivals such as the Copenhagen Jazz Festival, Aarhus Jazz Festival and Jazzwoche Berlin. He has also appeared live on radio broadcasts, including Radio Brandenburg Berlin (RBB), Deutschlandfunk Kultur, P8 Jazz, and Radio Jazz Denmark.