Generate a piece of music. The title is Schatz, ach Schatz,.  
X:1
T:Schatz, ach Schatz,
T:Schatz, ach Schatz,
C:Music21
L:1/8
M:none
I:linebreak $
K:D
V:1 treble 
V:1
 D F | A2 A A B B | A G F2 | D F | A2 A A B B | A G F2 | A2 | F A A d d | d/ d/ | c B/ B/ A d F | %10
 A | B A c B c | B | A G F2 | A2 | F A A d d | d/ d/ | c B/ B/ A e F | A | B A c B c | B | %21
 A G F2 || %22  