Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:4/4
K:D
['(3ABc dcdB AFDF GFEF GBAG FEDE FAGF', 'AG FAdf Adfa']  
X:1
L:1/8
M:4/4
K:D
 (3ABc | dcdB AFDF | GFEF GBAG | FEDE FAGF | G2 E2 E2 FG | Acec defd | Adcd BGEG | FAdf EAce | 
 d2 d2 d2 :: AG | FAdf Adfa | fdAF EAce | gfed e2 AG | FAdf Adfa | gfed edeg | fdAF DFAd | 
 FAdf EAce | d5 :|  