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
['AG |]:', 'GBB FAd fed cBc ABc', 'eAA efe edc dBB fBB fgf fed']  
X:1
L:1/8
M:6/8
K:D
 AG |]: FAA GBB | FAd fed | cBc ABc | dfe dAG | FAA GBB | FAd fed | cBc ABc |1 dfe dAG :|2 
 dfe dBc |: dBB fBB | fgf fed | cAA eAA | efe edc | dBB fBB | fgf fed | cBc ABc |1 dfe dBc :|2 
 dfe dAG |]  