Music by Ülo Vinter and Ülo Raudmäe based on Astrid Lindgren's children's book of the same name Dramatization by Andres Dvinjaninov Lyrics: Enn Vetemaa and Neeme Kuningas Premiere at the Estonian National Opera March 5, 2011 Musical director and conductor: Priit Aimla Director ) Lighting artist: Anton Kulagin Choreographer: Jüri Nael,