Develop a musical composition using the provided structural guidelines.
'Sectional: Through Composed'  
X:1
L:1/8
M:2/2
K:Amix
 cded cded | cAAF G2 ed |1 cded cded | cABc A2 AB :|2 cdef gfed | cABc ABce |: a2 ag e3 d | 
 cdef g2 fg |1 eaag e3 d | cABc ABce :|2 afge (3fga ed | cABc A2 AB ||[K:Dmix] FGAG FGAG | 
 FDDB, C2 AG |1 FGAG FGAG | FDEF D2 DE :|2 FGAB cBAG | FDEF DEFA |: d2 dc A3 G | FGAB c2 Bc |1 
 Addc A3 G | FDEF DEFA :|2 dBcA (3Bcd AG | FDEF D2 DE ||  