Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
['dAFA GBAG FAFA GBAG', 'ecAc ecge']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
 AB/c/ | dAFA GBAG | FAFA GBAG | FDFD GEGE | FAFD E2 E2 | dAFA GBAG | FAFA GBAG | FdBg fdec | 
 d2 d2 d2 :: cd | ecAc ecge | fdBd fdaf | ecAc ecge | edcB AABd | BGEG BGdB | AFDF AFdB | 
 BGdB AGFE | D2 D2 D2 :|  