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:D
['f2 A ABA B<GB', 'e fag fed', 'fed efd cBA', 'Bed cBc']  
X:1
L:1/8
M:6/8
K:D
|: e | f2 A ABA | B<GB Aef | g2 e f2 d | efd cBA | f2 A ABA | B<GB g3 | Bed cBc |1 d3 d2 :|2 
 d3 d |: fg | a2 f g2 e | fag fed | g2 e f2 d | efd cBA |1 a2 f g2 e | fag fed | Bed cBc | d3 d :|2 
 f2 A ABA | B<GB g3 | Bed cBc | d3 d2 |: e | fef ABA | Bdc BAB | ABA fed | efd cBA | fef ABA | 
 B<GB g3 | Bed cBc |1 d3 d2 :|2 d3 d |: fg | aAa fed | f<ag fed | gag fed | efd cBA |1 aAa fed | 
 f<ag fed | Bed cBc | d3 d :|2 f2 A ABA | B<GB g3 | Bed cBc | d3- d2 ||  