Create a musical composition using the given alphabet-based notation and supplied motif.
X:1
L:1/8
M:2/4
K:G
['gdBG c2 ce', 'g2 fe']  
X:1
L:1/8
M:2/4
K:G
 g/f/ | gdBG | c2 ce | dgdB | cAAf | gdBG | c2 ce | dgdc | BGG :: f | g2 fe | aAAf | g2 fe | fddf | 
 g2 fe | afge | dgdc | BGG :|  