Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:D
['F2 AF DFAF', 'a2 fd'  
X:1
L:1/8
M:4/4
K:D
 F2 AF DFAF | G2 BG DGBd | c2 Ac eAcA | dcde fdAG | F2 AF DFAF | G B3 d B3 | Acef geAc |1 
 eddc dBAG :|2 eddc defg |: a2 fd a2 fd | a2 fd edBd | (3eee ef gfga | be (3eee begb | 
 a2 fd a2 fd | a2 fd edBA | F3 A GBdB | AFGE D4 :|  