[2] He was born in the city of Osaka, Higashi-ku, Kyuhoji as the second son (illegitimate child) to Hidemaro Konoye of the Konoe family.

His father, Hidemaro, registered his birth certificate at the East Ward (Higashiku) city hall in Osaka on 22 July 1937.

[4] On 19 October 1939, he was adopted by the youngest brother of his father Tadamaro Miyagawa (水谷川忠麿) and he was renamed Tadatoshi (忠俊).

Upon graduating high school he moved back to Tokyo and became assistant to Naozumi Yamamoto who is a composer and conductor.

In August 1962, he passed the exam to be a full scholarship student at the Madrid Royal Conservatory of Music in Spain.