Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/4
K:G
['d>d dB', 'd gf ed']  
X:1
L:1/8
M:2/4
K:G
 B | d2 d>d | dB e2 | d>d dB | c3 d | ^F>F fe | dc f>e | dc BA | G3 :: d | gf ed | BB z d | 
 d>d eB | c3 d | gf ed | cc z d | d>d ef | g3 :|  