translation.en: He needs just a piece of paper where he can put down little marks, and as he does that, he can imagine sounds that had not existed before in that particular combination.
translation.zh: 这位作曲家只需一张纸 就能够把整个乐曲写下来 与此同时 他在脑海里想象 一种从未有过的特殊的声音的组合