Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:4/4
K:D
['FD DD/D/ FAAc', 'f2 af']  
X:1
L:1/8
M:4/4
K:D
 FD DD/D/ FAAc | BEGE BEGE | FD DD/D/ FAAc | Bc/d/ eg fd d2 :| g2 bg f2 af | egfd eB B2 | 
 g2 b g f2 af | efge fd d2 | ggbg ffaf | eged edBd | ABde fedB | AGFE FD D2 ||  