Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/2=110
M:3/2
K:D
['ABAF ABAF', 'dcBA d2 cB FGAF E4', 'defg a2 F2 E4', 'dcBA d2 f2 a2 F2 E4 E2']  
X:1
L:1/8
Q:1/2=110
M:3/2
K:D
"^6/4 in book" D2 A2 ABAF ABAF | E2 g4 Bc dcBA | D2 B2 ABAF ABAF | D2 d4 Bc dcBA || d2 cB FGAF E4 | 
 E2 g4 cc dcBA | d2 cB FGAF E4 | D2 d4 Bc dcBA || defg a2 F2 E4 | E2 g4 Bd c2 BA | defg a2 F2 E4 | 
 D2 d4 Bc dcBA || d2 f2 a2 F2 E4 | E2 g4 Bc dcBA | dfaf cdec EFGE | D2 d4 Bc dcBA |]  