Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:2/4
K:D
['D FA G>E FA dA FA B']  
X:1
L:1/8
M:2/4
K:D
 D FA G>E | FA dA | FA B A/G | FD DF | E G>F EF | GA Bd | A ec dB | cA GE | D FA G>E | FA dA | 
 FA B A/G | FD DF | E G>F EF | GA Bd | cA Bc | D d2 de | fd e>d | A cA AB | C =ce d=c | 
 G BG G A/G | D F>G AB | cd ef | E eB dc | A A2 d>e | D fd d>f | C e=c =c>e | dB ed | A cA GF | 
 E E>F GA | G Bc de | fa ge | d2 d2 |]  