Generate a piece of music. The title is The traditional tunes of the Child ballads. Its meter type is irregular.  
X:1
T:Music21 Fragment
L:1/8
M:4/4
I:linebreak $
K:none
V:1 treble 
V:1
 F2 | GF G_B c<d c2 | _BG FD C3 _B, | _B,B, _BG GF G/FD/ | C_B, CD F G3 |[M:5/4] GFG_B cdcd c2 | %6
[M:4/4] _BG FD C3 _B, | _B,B, _BG GF G/FD/ | C_B, CD F G3 || %9  