Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
Q:1/2=100
M:4/4
K:G
['dG (3(BAG)', 'dG (3(BAG)']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:G
 G2 (3(BAG) dG (3(BAG) | dGeG fGgG | dG (3(BAG) dG (3(BAG) | ADBD cDAD | G2 (3(BAG) dG (3(BAG) | 
 dGgG fGeG | dedB dgdB | AGAB G4 || D2 F/E/D ADFD | ADcDBDAD | B2 (3(BAG) dG (3(BAG) | 
 dGeG dG (3(BAG) | gGfG dG (3(BAG) | gfge dBed | cBAG FAAG | FDEF G4 |]  