Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:A
['A3 B cdcB AGAc EAGE F2 DF', 'B2 E2']  
X:1
L:1/8
M:4/4
K:A
 E2 | A3 B cdcB | AGAc EAGE | F2 DF A2 GF | GFGA B2 GE | A3 B cdcB | AGAc EAGE | F2 DF A2 GF | 
 GABG A2 :: GA | B2 E2 B2 E2 | AGAB AG E2 | F2 A cAGA | EBGB EBGA | B2 E2 B2 E2 | AGAB AG E2 | 
 dcde dcBA | cBAG A2 :|  