Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
['GDBD G3 g feed ecAG', 'G2 Bc dcBd gdBd g2 bg edBd']  
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
 (3DEF | GDBD G3 g | feed ecAG | FDAD FGAc | BGAF GFED | GDBD G3 g | feed ecAG | FAdB cAFG | 
 AGGF G2 :| Bc | dcBd gdBd | g2 bg edBd | g2 fg ed^cd | e2 d^c d3 f | g2 dc B2 Gc | ecAG AFED | 
 GBdB cAFG | AGGF G2 :|  