Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/16
M:2/4
K:D
['Aafd Agec', 'd2) (cd) eAfA gAfA eAce dcBA BbAa']  
X:1
L:1/16
M:2/4
K:D
 A2 | Aafd Agec | Aafe dcBA | BgAf GeFd | efge dcBA | Aafd Agec | Aafd cdef | gABc daga | 
 (e4 d2) :: (cd) | eAfA gAfA | eAce dcBA | BbAa GgFf | efge dcBA | BbBb AaAa | GgGg FfFf | 
 cdef gABc | d2f2d2 :|  