Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:Bmin
['d2 d>B c2']  
X:1
L:1/8
M:4/4
K:Bmin
 B2 B>A F>F F>F | d2 d>B c2 d>e | f2 f>e d2 e>e | f5 d>e | f2 f>d e>e f>e | d2 d>B c2 (3ABA | 
 B2 B>A F>F F>F | d2 d>B c2 (3FGA | B2 B>A F>E (3FGA | B5 z2 ||  