Create melodies that complement the given chord progression.
'Bb', 'F7', 'Bb', 'F7', 'Bb', 'Bb', 'Bb', 'F7', 'Bb', 'F7', 'Bb', 'Bb', 'Bb', 'F7', 'Bb', 'F7', 'Bb', 'Bb'  
X:1
L:1/8
M:3/4
K:Bb
 f ga |:"Bb" b2 fd' c'b |"F7" ba a"_e"e' e'2 | a2 f"_e"e'"_d" d'"_c"c' |"Bb" c'b b"_f"f'"_d" d'2 | 
 b2 fd' c'b |"F7" ba ae' e'2 | a2 fe' d'c' |1"Bb" b2 z f ga :|2"Bb" b2 z2 f2 |:"Bb" d'2 c'b bc' | 
"F7" b2 ag a2 | e'2 d'c' c'd' |"Bb" c'2 ba b2 | d'2 c'b bc' |"F7" b2 ag a2 | e'd' c'b ac' |1 
"Bb" b2 z2 f2 :|2"Bb" b2 z2 gf |:"Bb" d2 Bd gf |"F7" eF A2 gf | e2 Ac ag |"_?""Bb" dF B2 gf | 
 d2 Bd gf |"F7" eF A2 (3(fgf) | a2 gf eA |1"Bb" B2 z2 gf :|2"Bb" B3 z z2 ||  