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:D
['ABA d2 f fec', 'd2 c/d/ e2 a a2 g fag']  
X:1
L:1/8
M:6/8
K:D
 FG | ABA d2 f | fec dfg | aba agf | gfg ezF/G/ | ABA d2 f | fec def | ad'b afd | gec d2 || c/d/ | 
 e2 a a2 g | fag fed | eaa a^ga | f3 dfa | bgd' d'bg | afd' d'af | age gfd | cde A2!D.C.! ||  