Marianne Clausen (25 December 1947 – 17 September 2014) was a Danish musicologist and choir conductor. She was the daughter of composer, choir conductor and musicologist Karl Clausen (1904–1972). Her main achievement, begun in collaboration with her father in the early 1970s, intensified during the 1990s, and concluded just weeks before her death, was the preservation of traditional Faroese folk singing, which she presented in a number of large volumes with music notation transcriptions of sound recordings. Based on more than 6,000 such recordings, collected by many different scholars, including herself, throughout the entire 20th century, she published around 3,350 music notation examples of various genres of traditional Faroese singing, together with hitherto unpublished song texts, as w