Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/16
M:2/4
K:D
['BA)F(A |{B} (3AGA)de', 'fded Be{a}ad (3Bcde(f abag) (fa(3gfe) ded(B A2{B}A)F']  
X:1
L:1/16
M:2/4
K:D
 (3ABc | d2>A2{c} BAF(A |{d} A)Fd(A{c} BA)F(A |{B} (3AGA)de fded | Be{a}ed (3Bddef | 
 d2>(A2{c} BA)F(A |{c} AF)d(A{c} BA)F(A |{B} (3AGA)de fdec | dB/F D2 :: (3ef(g | abag) (fa(3gfe) | 
 ded(B A2{B}A)F | ABde fded | Be{a}ad (3Bcde(f | abag) (fa(3gfe) | ded(B A2{B}A)F | (3AGAde fdef | 
 dBAF D2 :|  