Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
['A dAF D2 =c BGF E2 d', 'd2 f/g/ afd bge afd gec fdc']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
 A | dAF D2 =c | BGF E2 d | efg fed | c3 ABc | dDd cCc | BB,B AA,A | GFE Ddc | d3- d2 :: f/g/ | 
 afd bge | afd gec | fdc Bed | c3 ABc | BB,B AA,A | GG,G FED | Bed cAc | d3- d2 :|  