About
Sondeckis was born in Šiauliai in 1928. He graduated from the Lithuanian Academy of Music and Theatre (Vilnius Conservatory) as a violinist with Alexander Livontas in 1952 and studied conducting with Igor Markevich. Sondeckis was a member of the Department of String Instruments at the Lithuanian SSR State Conservatoire. Sondeckis began conducting in 1955 and started at the Student Orchestra of the National M.K. Čiurlionis School of Art. He became a teacher at the Lithuanian Academy in 1959 and became a professor there in 1976. In 1960, Sondeckis founded the Lithuanian Chamber Orchestra in 1960 and it gave its first performance on 30 April 1960. He served as its artistic director and principal conductor until 2004.
