Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:4/4
K:D
['(3FFF DFAF DEFA', 'a2 bb']  
X:1
L:1/8
M:4/4
K:D
 dB | Af (3FFF DFAF | DEFA B3 d | eB (3BBB egfe | defd BcdB | AF (3FFF DFAF | DEFA B2 Bd | 
 egfg efdB |1 AFGE D2 :|2 AFGE D3 || A | dcde f2 fg | a2 bb agfg | eB (3BBB gB (3BBB | efff ecdB | 
 Af (3FFF ABdf | a2 bb agff | g2 fg efdB | AFGE D3 :|  