Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
Q:3/8=110
M:6/8
K:A
['E Aec Aec Bcd d3 cBA GAB', 'cBA GFE']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:A
 E | Aec Aec | Bcd d3 | cBA GAB | AED CB,A, | Aec Ace | agf gfe | ^dBd fed | eBG E2 :: e | 
 e=gf edc | dBd f^ab | dfe dcB | cAc ega | fed cBA | GFE dBd | cBA GFE | AEC A,2"^*" :|  