Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:2/2
K:G
['G2 BG', 'agfd efge']  
X:1
L:1/8
M:2/2
K:G
 G2 BG E2 BE | G2 BG EGFD | G2 BG E2 BG | cedB AGFD :| G3 g gdBG | A3 a agfd | efge agfd | 
 efge dcBA | G3 g gdBG | A3 a agfd | efge agfd | egfa g2 G2 ||  