Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:2/2
K:D
['(A^G)AB (AF)DF (AB)df (gf)ed (gb)ag (fa)gf', '(gb)ag (fa)gf'  
X:1
L:1/8
M:2/2
K:D
 (udB) | (A^G)AB (AF)DF | (AB)df (gf)ed | (gb)ag (fa)gf | (e^d)ef (e=d)Bd | (A^G)AB (AF)DF | 
 (AB)df (gf)ed | (gb)ag (fa)gf | edfe d2 :: (3(uABc) | d2 fd (ad)fd | (bd)(bd) adfd | 
 (gb)ag (fa)gf | (ed)gf (ed)Bd | (A^G)AB (AF)DF | (AB)df (gf)ed | (gb)ag (fa)gf | edfe d2 :|  