Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:G
['d2 e/d/B ddd/c/A']  
X:1
L:1/8
M:2/4
K:G
 D | GGBG | d2 e/d/B | ddd/c/A | GGBD | GGB/A/G | d2 e/d/B | ddd/c/A | F2 G |]  