Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:2/4
K:D
['Addd c/d/e/c/ d2 Afff e/f/g/e/ f2 aafd', 'da g{a}g/e/ cA']  
X:1
L:1/8
M:2/4
K:D
 Addd | c/d/e/c/ d2 | Afff | e/f/g/e/ f2 | aafd | ggec | d/f/e/d/ c/e/d/B/ | Aa/a/ a z :: 
 f{g}f/e/ da | g{a}g/e/ cA | dd/c/ Be | d/c/B/A/ fd | f{g}g/e/ da | g{a}g/e/ cA | BeAd | 
 d/c/B/c/ d2 :|  