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
['G>A BA GA BG/B/ dB GB', 'de/f/ gf/e/']  
X:1
L:1/8
M:2/4
K:G
 G>A BA | GA BG/B/ | dB GB | A/G/A/B/ A2 | G>A BA | GA BG/B/ | dB GB | A2 G2 :: de/f/ gf/e/ | 
 de ed | de/f/ gf/e/ | dc B>c | dd ed | cB AB/c/ | dB GB | A2 G2 :|  