Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:2/2
K:D
['f2 af gfed']  
X:1
L:1/8
M:2/2
K:D
 e2 |"D" f2 af gfed | f2 af gfed |"A" e2 ef gfed | edef"G" gfed |"D" f2 af gfed | f2 af gfed | 
"Em" cdef"A7" gece |"D" dfec d2 :: ef |"Em" gB B2 gBaB | gB B2 gfed |"A" (3cBA eA fAeA | 
 (3cBA ef gfef |"G" gB B2 gBaB | gB B2"Em" gfed |"A" cdef gece |"D" df ec d2 :|  