Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/4=100
M:4/4
K:Bb
['F2 B>c d4']  
X:1
L:1/8
Q:1/4=100
M:4/4
K:Bb
 F/ B>F |"Bb" d4- d>F c>F |"F7" e4- e>F A>F | c4- c>F B>F |"Bb" d4 z3/2 B/ d>B | f4-"Bb7" f>d c>B | 
"Eb" e4- e>G c>e |"Bb/F" d4-"F" d>F A>c |"Bb" B4- B2 || F2 |"Bb" B>c d4 F2 | B>c d4 d2 | 
"F7" c>d e4 c2 |"Bb" d>e f2 z2 F2 | B>c d4 F2 | B>c d4 d2 |"F7" e3 d ce d>c |"Bb" B4 z3/2 |]  