Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:6/8
K:D
['', 'd2 d', 'aba f2 d']  
X:1
L:1/8
M:6/8
K:D
 (3ABc |: d2 d dcd | B2 G FGA | d2 d d2 e | fda f2 d | d2 d dcd | B2 G FGA | d2 d d2 g | 
 e2 a f2 d :| aba f2 d | AFd AFd | aba f2 d | BGd BGd | aba f2 d | B2 G FGA | B2 d e2 c |1 
 d3 dfg :|2 d3 d2 ||  