In his performing the 'Goshoraku' (also known as Gojoraku; literally, Gosho (five eternal virtues) composition) of the gagaku (ancient Japanese court dance and music), he joked that since he was dismissed from the court official position, the tune was called 'Goshoraku' (carefree and optimistic).
雅楽の「五常楽」を吹くと、自分は解官された身だから後生楽と云うのだと洒落た。