Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/4
Q:3/4=90
M:6/4
K:Gmin
['d B', '(G/A/ B)']  
X:1
L:1/4
Q:3/4=90
M:6/4
K:Gmin
 g | g2 d d2 g | f d B B2 e | e c A A2 d | d B G G2 g | g2 d d2 g | f d B B2 e | e c A B d ^F | 
 G3- G2 || A | B3/2 c/ B d2 B | (d/e/ f) B A2 d | (G/A/ B) G A2 D | (G/A/ B) c d2 g | 
 f d B A G ^F | G3- G2 |]  