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:G
['dg/a/ bg', "B>c dc BA G2- Ga/b/ c'a b/a/g"]  
X:1
L:1/8
M:4/4
K:G
|: G2 B/c/d G>B dg/a/ | bg d(3B/B/B/ c(3B/c/B/ AG | FD F/G/A d2- df/g/ | ag fe dc (3B/c/BA | 
 GD B>c d2- dg/a/ | bg dB c/d/c/B/ AG | (3F/G/FD FA dD D/E/F |1 G2 G>F G4 :|2 G2 G/A/G/F/ G2 |: 
 g>a | bg a>f gd B>c | dc BA G2- Ga/b/ | c'a b/a/g ag f>g | a(3g/a/g/ fe d2 g>a | 
 ba/g/ a/g/f gd G/A/B/c/ | d>c (3B/c/BA G2- GA/B/ | cA F/G/A D2- DE/F/ |1 G2 G/A/G/F/ G2 :|2 
 G2- GG/F/ G4 ||  