Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:9/8
K:G
['BGB AFA G2', 'BAG F2 f ege f3 cde fcB'  
X:1
L:1/8
M:9/8
K:G
 BGB AFA G2 B | AcA FAF AcA | BGB AFA G2 c | def gdc BAG :: F2 f ege f3 | cde fcB AGF | 
 G2 g ege g3 | def gdc BAG :|  