Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/4
M:4/4
K:G
['G3/2 A/ B G B/c/ d e2']  
X:1
L:1/4
M:4/4
K:G
 G3/2 A/ B G | B/c/ d e2 | d2 d G | F G- G2 | G3/2 A/ B G | B/c/ d e2 | d2 d3/2 G/ | F G- G2 | 
 d2 g e | f g/f/ e2 | e d B/A/ G | B c d2 | d g d3/2 d/ | e/d/c/B/ A e | d G F G | G4 ||  