Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:3/4
K:G
['G2 A2', 'd2 d2']  
X:1
L:1/8
M:3/4
K:G
 G2 G2 A2 | F3 G A2 | B2 B2 c2 | B3 A G2 | A2 G2 F2 | G4 :: d2 d2 d2 | d3 cB | c2 c2 c2 | c3 BA | 
 B2 cBAG | B3 c d2 | (3(edc) B2 A2 | G6 ||  