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
['', 'de fg', 'F[FA] dD']  
X:1
L:1/8
M:2/4
K:D
 A de |: fg f/e/d | AA de | fg f/e/f | aa/b/ a/f/d | gf ge | cc/d/ c/B/A |1 (B/4c/4B/)A G/F/E | 
[M:3/4] D/F/A dA de :|2 ba g/f/e |: dD F[FA] | dD F[FA] | dD F[FA] | dd/e/ d/c/B | A/B/A G/F/E | 
 (3(E/F/E/D) F[FA] | dD F[FA] | dD F/F/[FA] | dd/e/ d/c/B |1 A/B/A A/B/c :|2 A/B/A A/B/c | dA de ||  