Construct a melodic piece using the prescribed alphabetical outline and provided motif.
X:1
L:1/8
Q:1/4=115
M:3/4
K:Bb
['B B B2 F2 G A G2', 'B d c']  
X:1
L:1/8
Q:1/4=115
M:3/4
K:Bb
 B B | B2 F2 G A | G2 F z :: B d | c c B d c B/ A/ | B2 F z B d | c c B d c B/ A/ | B2 z2 :|  