Alf Cranner
Alf Cranner (25 October 1936 – 3 March 2020) was a major Norwegian folk singer, lyricist and painter. He was an important person in the field of Norwegian folk music in the 1960s. He was known for several popular folk music versions and folk tunes, including these: "Å, den som var en løvetann". The folk song "Din tanke er fri", is Cranner translation of the German "Die Gedanken sind frei".