But the earliest performance ever recorded was in 1465, which means it was the work when he was fifteen according to the latest findings that Nobumitsu was born in 1450, and it is not convincing.
が、記録に残る最古の上演記録は寛正6年（1465年）で、信光の生年が1450年という最近の研究成果によると15歳の作ということになり不自然。