Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/4
M:3/4
K:G
['B A']  
X:1
L:1/4
M:3/4
K:G
 D | G B c | d2 e | d/c/ B d | d c B | A B c | B2 D | G B c | d2 e | d/c/ B d | d c B | A B c | 
 B3 | A3 | d c B | A B A | G D G | G A B | c B A | B2 z | A3 | d c B | A B A | G D G | G A B | 
 c B A | G2 |]  