Generate a piece of music. The title is Reigen.  
X:1
T:Reigen (3-99), S. 270
T:Reigen (3-99), S. 270
C:Music21
L:1/4
M:none
I:linebreak $
K:D
V:1 treble 
V:1
 G | G3/2 F/ G | A A A | D3/2 D/ D | A2 z | A3/2 A/ A | A B c | c3/2 B/ c | A2 | B | G3/2 F/ G | %11
 A A B | B2 A | G2 || %14  