Generate a piece of music. The title is Who's Dat Yonder. It belongs to the genre of Negro Spiritual. It is from United States of America.  
X:1
T:Who's Dat Yonder?
T:Who's Dat Yonder?
C:Music21
L:1/8
Q:1/4=124
M:4/4
I:linebreak $
K:G
V:1 treble 
V:1
 B2 G2 B2 G2 | B2 G2 B4 | B2 BB BA GA | B A2 G- G3 z | B2 G2 B2 G2 | B2 G2 B4 | B2 BB- BA GA | %7
 B A2 G- G4 || %8  