Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:2/2
K:Ador
['(AB) c(E E2) cded', 'eaag efed']  
X:1
L:1/8
M:2/2
K:Ador
 (AB) | c(E E2) cded | cEEF G2 (AB) | c(E E2) cded | cABG A2 (AB) | c(E E2) cded | cEEF G2 (AB) | 
 cEEG cded | cABG A2 || (^cd) | eaag efed | ^cdef g2 fg | eaag efed | cABG A2 (^cd) | eaag efed | 
 ^cdef g2 (fg) | afge fded | cABG A2 |]  