^Although the book authored by Kazuo Yamada entitled Ichi-on Hyaku-tai [One sound, one hundred forms] states that a broadcast recording with the NBC Symphony Orchestra was made in New York in 1959. However, since this orchestra's exclusive contract with NBC had been dissolved upon the retirement of Toscanini in 1954, the orchestra conducted by Yamada is presumed to had been the one renamed as 'The Symphony of the Air' following the dissolution of the contract.