Tove Jansson "Pessi and Illusia", a ballet by Ahti Sonninen ("Radio tekee murron") which was performed at the Finnish National Opera. By 1958, Jansson began to become directly involved in theater as Lilla Teater produced "Troll i kulisserna" ("Troll in the wings"), a play with lyrics by Jansson and music composed by Erna Tauro. The production was a success, and later performances were held in Sweden and Norway. In 1974 the first Moomin opera was produced, with music composed by Ilkka Kuusisto. The biennial Hans Christian Andersen Award conferred by the International Board on Books for Young People is the highest recognition
Tove Jansson is a work of charm, subtlety and simplicity, describing the summer stay on an island of a young girl and her grandmother. The girl is modelled on her niece, Sophia Jansson; the girl's father on Sophia's father, Lars Jansson; and the grandmother on Tove's mother Signe. Although she became known first and foremost as an author, Tove Jansson considered her careers as author and painter to be of equal importance. She painted her whole life, changing style from the classical impressionism of her youth to the highly abstract modernist style of her later years. Jansson displayed a number of artworks