Generate a piece of music. The title is The Mocking Bird Song. It is from United States of America.  
X:1
T:The Mocking Bird Song
T:The Mocking Bird Song
C:Music21
L:1/8
Q:1/4=118
M:2/2
I:linebreak $
K:G
V:1 treble 
V:1
 D2 BB B2 B2 | B2 AA A4 | DDAA A2 AB | A2 G2 G4 || %4  