Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/4
K:D
['F>F FF AA G2 G>G GG BB', 'c>c cB A>A', 'ce gf/e/ df e/d/c/d/ e>c dd']  
X:1
L:1/8
M:2/4
K:D
 F>F FF | AA G2 | G>G GG | BB A2 | A>A FD | BB B2 | c>c Bc | dd d2 |] c>c cB | A>A AF | G>G GE | 
 DF A2 | c>c cB | A>A AA | c>c Bc | dd d2 |]: fe/d/ ce | gf/e/ df | e/d/c/d/ e>c | dd d2 :|  