Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:2/4
K:G
['Ec c2 DB B2 cAFD']  
X:1
L:1/8
M:2/4
K:G
 DGGG | GFAF | DFAA | AGBG | Ec c2 | DB B2 | cAFD | GB d2 | Ec c2 | DB B2 | cAFD | GG G2 |]  