Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/4
M:2/2
K:Bb
['B B']  
X:1
L:1/4
M:2/2
K:Bb
 d/c/ |"Bb" B b-"Eb" b a/g/ |"Bb" f d B d/f/ |"C" e d c B |"F" B/A/c/A/"F7" F G/A/ | 
"Bb" B b-"Eb" b a/g/ |"Cm" g e"F7" c f/e/ |"Bb" d B"F7" e/c/B/A/ |"B" B B B :: A/B/ | 
"F" c c c/B/A/B/ |"F" c2"F7" F2 |"Bb" B d"D7" g ^f |"Gm" g2 g a/b/ |"Bb" f b d f |"Bb" B d f d | 
"Cm" e c"Gm" d B |"C7" c/B/A/G/"F" F :: D/F/ |"Bb" B B B A/B/ |"F" c c c F/A/ |"Bb" B d"D7" g ^f | 
"Gm" g2 g a/b/ |"Bb" f f f d/f/ |"Bb" B B B f/d/ |"Cm" e/d/c/B/"F7" A/G/F/A/ |"Bb" B B B :|  