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
['fga fed AFD FAd', 'fdd fdd']  
X:1
L:1/8
M:6/8
K:D
 (uag) | vfed fga | fed AFD | FAd def |{g} fee eag | fed fga | fed AFD | FAd efg | (fd)d d :: 
 (uag) | vfdd fdd | fdd fga | e=cc ecc | e=cc e^fg | fdd fdd | fdd fg"^1"a | 
"^2" b"^3"c'"^4"d'"^1" a"^3"f"^1"d |"^2" (e"^1"d)d d :|  