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
['BA G2', 'ge d2']  
X:1
L:1/8
M:4/4
K:G
 G2 A/B/c d2 Bd- | db ge de/d/ cB | A2 A>B c2 BA | G2 B>c d/e/d/c/ BA | G2 Bc d2 Bd | 
 b2 g>e d2 cB | Aa- a>g fdef | g2 g>a g3 || a | b2 b>a ge d2 | g2 g>e dB GA/B/ | c2 ec B2 dB | 
 A2 d>e dc c/B/A/F/ | G2 Bc de/d/ B/c/d- | db ge d2 cB | Aa- a>g fdef | g2 g>a g4 ||  