Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:6/8
K:Dmix
['B2 A F2', 'B2 A F2']  
X:1
L:1/8
M:6/8
K:Dmix
|: A2 d BAG | A2 B cBA | B2 G2 AB | cBG GAB | A2 F EFG |1 B2 A F2 G :|2 B2 A F2 A |: d2 f edc | 
 d2 e fed | ^c2 A2 AB | cBG GAB | A2 F EFG |1 B2 A F2 A :|2 B2 A F2 D || D2 ||  