Obbligato
01
必需声部, 不可或缺的部分
a musical part that is integral to a piece of music and cannot be omitted
例子
In the concerto, the pianist 's obbligato provided a counterpoint to the orchestra's majestic theme, creating a dialogue between soloist and ensemble.
在协奏曲中，钢琴家的助奏为乐团的雄伟主题提供了对位，在独奏者和乐团之间创造了对话。
02
固定音型, 持续但次要的主题
a persistent but subordinate motif
