Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:6/8
K:G
['', 'GAB BAG', 'd gdd gdd']  
X:1
L:1/8
M:6/8
K:G
 D |: GAB BAG | d3 d2 B | GAB BAG | A2 G E2 D | GAB BAG | d2 d ege | dBG AFD |1 G3 G2 D :|2 
 G3 G2 d |: gdd gdd | c3 c2 d | gdd gdd | A3 A2 d | gdd gdd | Bcd ege | dBG AFD |1 G3 G2 d :|2 
 G3 G2 ||  