His songs reached a wide audience through Tove Karoline Knutsen's 1980 album Blå kveill, which was based on Hanssen's lyrics.
Throughout the 80's He was also involved in some projects in other genres, as with folk singers such as Trygve Hoff and Tove Karoline Knutsen, and blues with Chris Lyngedal.
Guro Knutsen | Marie Knutsen | Tove Jansson | Tove Styrke | Peter Tessem and Paul Knutsen | Tove Karoline Knutsen | Tove Alexandersson | River Tove | Karoline von Manderscheid-Blankenheim | Karoline of Wartensleben | Karoline Leach | Tove Styrke (album) | Tove Stang Dahl | Tove Lill Løyte | Karoline Krüger | '''Karoline Bauer''' (in a white dress) with a group of artists, including Johann Gottfried Schadow | Jan Töve Johansson | Espen Knutsen | Espen Berg-Knutsen | Archduchess Karoline Marie of Austria |