東京フィルハーモニー交響楽団
Watanabe was born in 1919 to a Japanese father and Finnish mother. He studied violin and conducted at the Tokyo Music School and the Juilliard School of Music in New York City, USA. His conducting premiere was with the Tokyo Symphony Orchestra in 1945. He was music director of the Tokyo Philharmonic Orchestra from 1948 to 1954 .