an unbreakable (and notorious) habit

グレン・グールドはいつも演奏しながら鼻歌を歌っていた。録音エンジニアたちがミクシングによって、この鼻歌を録音からどうにかうまく取り除こうと取り組んだ。グールドによると、彼の歌は意識せずに出てくるもので、彼の思い描いた音を実現させるためにピアノが応えてくれないところを補う効果があるという。どうやらこの癖は、グールドが元来母親から「演奏する曲を全部歌ってみせなさい」と教えこまれたことからきているようだ、とケヴィン・バザーナは指摘する。これが「止められない(そして有名な)癖」になった。(つづきを読む)

Glenn Gould usually hummed while he played, and his recording engineers had mixed results in how successfully they were able to exclude his voice from recordings. Gould claimed that his singing was subconscious and increased proportionately with the inability of the piano in question to realize the music as he intended. It is likely that this habit originated in Gould's having been taught by his mother to "sing everything that he played", as Kevin Bazzana puts it. This became "an unbreakable (and notorious) habit".