Using the given chord structure as a guide, create a harmonic melody.
'Bb', 'C7', 'F7', 'Bb', 'F7', 'Bb', 'F7', 'Bb', 'F7', 'Bb', 'F7', 'Bb', 'Bb', 'Bb7', 'Eb', 'Bb7', 'Eb', 'Bb7', 'Eb', 'Bb', 'F7', 'Bb', 'Bb', 'Bb7', 'Eb', 'Ab', 'Bb7', 'Eb', 'Ab', 'Bb7', 'Eb', 'Bb7', 'Eb'  
X:1
L:1/4
M:3/4
K:Bb
"Bb" (F2 B) | (B2 c) | d z d | d3 | d2 d | (e2 d) |"C7" (d2 c) | G3 | (G2 c) | (c2 d) |"F7" e z e | 
 e3 | (a2 g) | f e c |"Bb" B3 | B z F ::"F7" (f3 | e3) |"Bb" (d3 | d) c B |"F7" (A2 c) | 
 (c d3/2) e/ |"Bb" (g2 f) | (d2 F) |"F7" (f3 | e3) |"Bb" (d3 | d) c B |"F7" (A c3/2) c/ | e d c |1 
"Bb" (B3 | B) z F :|2"Bb" (B3 | B) (B e) |:[K:Eb]"Bb7" (d2 c) | (B2 A) |"Eb" .G3/2 c/ B | z e e | 
"Bb7" .d3/2 g/ f | z d d |"Eb" .e3/2 a/ g | z B e |"Bb7" (d2 c) | (B2 A) |"Eb" .G3/2 c/ B | z G e | 
"Bb" d z F |"F7" c z F |1"Bb" (B3 | B) (B e) :|2"Bb" (B3 |"Bb7" B) (c3/2 B/) |:"Eb" e e e | 
 (e/d/) f3/2 e/ |"Ab" (d2 c) | z c c |"Bb7" (d2 c) | (B2 F) |"Eb" (G3 | G) (c3/2 B/) | e e e | 
 (e/d/) f3/2 e/ |"Ab" (d2 c) | z c c |"Bb7" d2 c | B c d |1"Eb" (e3 |"Bb7" e) c3/2 B/ :|2"Eb" (e3 | 
 e) z z |]  