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:2/2
K:C
['c2 de f2 d2 gf', 'de fd g2 fe de']  
X:1
L:1/8
Q:1/4=100
M:2/2
K:C
 c2 de f2 d2 | gf ga gf ed | c2 de f2 d2 | gf ga g4 :| de fd g2 fe | de dc B2 G2 | de fd g2 fe | 
 de dB c4 :|  