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:3/8
K:G
['gdB GFG', 'def g2']  
X:1
L:1/8
M:3/8
K:G
 gdB | GFG | A2 F | G/F/G/A/G | gdB | GFG | A2 G/F/"^[sic]" :: def | g2 e | a2 g | f/g/a/f/d | 
 def | g2 c | BA/G/A/F/ | G2 ::  