Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/2
K:G
['g2 dg Bgdg']  
X:1
L:1/8
M:2/2
K:G
"G" G2 BG dGBG |"C" ABcd"D" cBAG |"G" Bdgd (3(efg) dB |"C" cBAG"D" FADF |"G" G2 BG dGBG | 
"C" ABcd"D" cBAG |"G" Bdgd"C" (3(efg) dB |"D" cAFA"G" G4 ::"G"{a} g2 dg Bgdg |"G" gabg"D" agef | 
"G" g2 dg Bgdg |"C" cBAG"D" FA D2 |"G"{a} g2 dg Bgdg |"G" gabg"D" agef |"G" gfga"C" gfed |1 
"D" egfa"G" g4 :|2"D" (3(efg) fa gedB |]  