Create a tune that follows the provided series of chords.
'Bb', 'Cm', 'Bb', 'Cm', 'Bb', 'F', 'Bb', 'Cm', 'Bb', 'Cm', 'F', 'Bb'  
X:1
L:1/4
M:4/4
K:Bb
"Bb" B2"Cm" c2 |"Bb" d2 z2 |"Cm" c2"Bb" B2 |"F" c4 |"Bb" B2"Cm" c2 |"Bb" d2 z2 |"Cm" c2"F" d2 | 
"Bb" B4 |]  