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:Amin
['B, A,A,A,>B, C>DE>A A,A,A,>C CG,G,>B, A,A,A,>B, C>DE>C', 'd/c/B/A/ G>B']  
X:1
L:1/8
M:4/4
K:Amin
 B, | A,A,A,>B, C>DE>A | A,A,A,>C CG,G,>B, | A,A,A,>B, C>DE>C | B,>DG>E D/C/B,/A,/ G, :| B | 
 ^c>eA>e c>e d/c/B/A/ | ^c>eA>e d/c/B/A/ G>B | ^c>eA>e c<e e>^f | gg a/g/^f/e/ d/c/B/A/ G>B | 
 ^c>eA>e c>e d/c/B/A/ | ^ceA>e d/c/B/A/ G>B | ^c>eB>c A>B ^F>A | G>ED>C B,>A,G,>B, ||  