Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
Q:1/8=120
M:6/8
K:D
['A f>gf fed', 'Ace fdB ^Ged']  
X:1
L:1/8
Q:1/8=120
M:6/8
K:D
 A2 | fgf fed | dcB A2 A | f>gf fed | gee e2 A | f>gf fed | dcB AFA | ABA ABc | ed z z :: Bc | 
 dBG GBd | ecB Ace | fdB ^Ged | ce z z2 e | a2 e a2 e | aec Ace | fdB ^Ged | cA z z :|  