translation.en: Even the three icons of classical music -- Bach, Beethoven, Mozart -- had to generate hundreds and hundreds of compositions to come up with a much smaller number of masterpieces.
translation.zh: 即使是三位古典音乐伟人—— 巴赫、贝多芬、莫扎特， 都必须写出数百份作品， 才能获得相当少量的杰作。