Generate a piece of music. The title is Leader Haughs and yarrow.  
X:1
T:Leader Haughs and yarrow
T:Leader Haughs and yarrow
C:Music21
L:1/8
M:3/4
I:linebreak $
K:Bb
V:1 bass 
V:1
 F2 | A>B c2 e2 | d>c B3 A/G/ | A>B c2 C2 | D C3 z c | A>B c2 e2 | d>c B3 G | AB/c/ C3 F | %8
 DC z2 c2 | A>G F3 f | d>c B2 z A/G/ | A>B c3 c | d=e f3 B | AG/F/ F2 GA | Bc/d/ e3 c | %15
 d/=e/f c3 F | D C3 x2 || %17  