Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
M:2/4
K:G
['B2 G2', 'DFAF DFAB cBAG |1 FGAc B2 G2']  
X:1
L:1/8
M:2/4
K:G
 d2 d2 B2 B2 | G2 G2 E2 AB | c2 A2 A2 BA |1 GFGA B2 G2 :|2 GFGA G4 :: DGBG DFAF | DGBG DFAF | 
 DFAB cBAG |1 FGAc B2 G2 :|2 FGAF G4 :|  