萧邦的夜曲到底有几多个opus几多号呢？

01 op.9 no.1 in B flat minor, Larghetto
02 op.9 no.2 in E flat major, Andante
03 op.9 no.3 in B major, Allgretto
04 op.15 no.1 in F major, Andante Cantabile
05 op.15 no.2 in F sharp major, Larghetto
06 op.15 no.3 in G minor, Lento
07 op.27 no.1 in C sharp minor, Larghetto
08 op.27 no.2 in D flat major, Lento sostenuto
09 op.32 no.1 in B major, Andante sostenudo
10 op.32 no.2 in A flat major, Lento
11 op.37 no.1 in G minor, Andante sostenuto
12 op.37 no.2 in G major, Andantino
13 op.48 no.1 in C minor, Lento
14 op.48 no.2 in F-sharp, Andantino
15 op.55 no.1 in F minor, Andante
16 op.55 no.2 in E-flat major, Lento sostenuto
17 op.62 on.1 in B major, Andante
18 op.62 on.2 in E major, Andante
19 op.post.72 on.1 in E minor, Andante
20 op.post. in C-sharp minor, Lento con gran espressione
21 op.post. in C minor

有14个夜曲，9个opus，呵呵

01 op.