Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/4
Q:1/4=120
M:3/4
K:G
['d c) B3/2 A/ G', 'd c) B3/2 A/ G', 'd f', 'e d']  
X:1
L:1/4
Q:1/4=120
M:3/4
K:G
"^Moderate" (d/e/4f/4) | (g d c) | B3/2 A/ G | (A d c) | B3/2 A/ G | B c d | e3/2 f/ g | g f e | 
 d2 || d | (g d c) | B3/2 A/ G | (A d c) | B3/2 A/ G | B c d | e a g | e f d | g2 |] g | (a b g) | 
 f3/2 e/ d | f (b/a/g/f/) | e d B | G B e | d f g | a e g | f2 || z/ g/ | a3/2 b/ g | f e d | 
 g (b/a/g/f/) | e d B | G B e | d c B | A G F | G2 |]  