Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:G
['', 'cBc A2 G EcB cde dcA', 'efg ged cAB cde']  
X:1
L:1/8
M:6/8
K:G
 A2 |: B | cBc A2 G | EcB cde | dcA A2 B | cde ged | cBc A2 G | EcB cde | dcA AGE | EDD D2 :: g | 
 efg ged | cAB cde | eaa age | ed^c d3 | efg ged | cAB cde | dcA AGE | EDD D2 :|  