Generate a piece of music. The title is The traditional tunes of the Child ballads.  
X:1
T:Music21 Fragment
L:1/8
M:3/4
I:linebreak $
K:none
V:1 treble 
V:1
 D | GA _B2 AG | FG D2 z D | GA _B2 AG | _Bc d2 z D | GA _B2 AG | FG D2 GA | _BA G2 GF | %8
 D/E/F G2 z x || %9  