Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:3/4
K:D
['DF A2 AG FA d2 dA BA', 'Ad f2 fa gf e2 eg fe']  
X:1
L:1/8
M:3/4
K:D
 DF | A2 AG FA | d2 dA BA | G2 GB AG | FG EF DF | A2 AG FA | d2 dA BA | G2 Gg fe | d4 :| Ad | 
 f2 fa gf | e2 eg fe | d2 df ed | cd Bc Ad | f2 fa gf | e2 eg fe | d2 df ec | d4 :|  