Create music using the specified musical structure and the provided theme.
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
['(Bcd dcB)', '(B2 A) (B2 c)'  
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
"^Allegretto non troppo" (Bcd dcB) | (Bcd dcB) | (ABc cBA) | (ABc cBA) | d3 (DED) | G3 G3 | 
 d3 (DEF) | [B,G]3 [B,G]3 || (B2 A) (B2 c) | (B2 A) (B2 c) | d2 D (DEG) | G3 G3 | (B2 A) (B2 c) | 
 (B2 A) (B2 c) | d2 D (DEF) | G3 G3 ||  