Leenakaisa Sandberg works broadly within the field of music as a freelance and care musician. Her core motivation is to bring the joy of music to people who are unable to attend concerts themselves.

Born in Kaustinen, Sandberg has studied violin with, among others, Mauno Järvelä, Elar Kuivin, Reijo Tunkkari, and Jennifer Wolf. She has held positions as a violinist with the Ostrobothnian Chamber Orchestra (2012–2021) and the Vaasa City Orchestra (2022–2024).

Folk music has been an integral part of Sandberg’s musical life since childhood, and today she is particularly active in the ensemble Akkapelimannit