Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:9/8
K:G
['Gba gfe dcB cag fed cBA Bgd', 'e2 d'  
X:1
L:1/8
M:9/8
K:G
|: Gba gfe dcB | cag fed cBA | Bgd bag dcB | Aec agf edc | Bcd dBd b2 a | gdB Bcd e2 d | 
 efg dBA B2 A | G>GG G3 z3 :| Bcd dBd b2 a | gdB Bcd e2 d | efg dBA B2 A | G>Bd e2 g e2 d | 
 Bcd dBd b2 a | gdB Bcd e2 d | efg dBA B2 A | G>GG G3 z3 ||  