Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
['a>gff f>edd edec', 'd2 e2 f2 gg/f/ ee f2 g2']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
 a>gff | f>edd | edec | (d/e/).f/.e/ | (d/e/).f/.g/ | a>gff | f>edd | edec | d2 d2 :: e2 f2 | 
 gg/f/ ee | f2 g2 | (aa/)g/ fa | (ag)(gf) | (ag)(gf) | ab/a/ gf | f2 e2 :|  