Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:3/4
K:A
['ea a/g/b/g/ aa ea gb/g/ aa ff', 'cc/A/ dd/B/ ee/c/ ff/d/ gg/e/ aa']  
X:1
L:1/8
M:3/4
K:A
 ea a/g/b/g/ aa | ea gb/g/ aa | ff dd BB | e/d/c/B/ B2 A2 :: cc/A/ dd/B/ ee/c/ | ff/d/ gg/e/ aa | 
 cc/A/ dd/B/ ee/c/ | ff/d/ gg/e/ aa | ff dd BB | e/d/c/B/ B2 A2 :|  