Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:3/8
K:G
['G2 B']  
X:1
L:1/8
M:3/8
K:G
 D | GGG | BBF | G2 B | A2 D | GGG | BAF | G2 B | A2 D | G2 B | dBG | GDD | DB,D | DB,D | DB,D | 
 G2 B | dBG | cDD | G2 |]  