Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:6/8
K:D
['DFF DFF A2', 'z d cAA eAA cAA edc dBB'  
X:1
L:1/8
M:6/8
K:D
 AB/c/ | dAF DFF | DFF A2 B | AFE EFE | EFE E2 d | DAF DFF | DFF A2 g | fed cdB | A3 z :: d | 
 cAA eAA | cAA edc | dBB fBB | dBB fed | cAA ecc | cBA ef^g | aed cdB | A3 z2 :|  