1. Grand Septet for Bb Clarinet, Eb Horn, Bassoon, Violin, Viola, Cello and String Bass, Op. 62 庄严七重奏（为单簧管、圆号、大管、弦乐四重奏），作品62号。
2. This concert also included the first performance of his Septet, op. 20, which became very popular. 音乐会上还首次演奏了他的七重奏，作品第20号，后来很受欢迎。
英英解释
n.
1. the cardinal number that is the sum of six and one
2. seven performers or singers who perform together
3. a set of seven similar things considered as a unit
4. seven people considered as a unit
5. a musical composition written for seven performers
