Generate a piece of music. The title is I Got a Robe. It belongs to the genre of Negro Spiritual. It is from United States of America.  
X:1
T:I Got a Robe
T:I Got a Robe
C:Music21
L:1/16
Q:1/4=84
M:2/4
I:linebreak $
K:G
V:1 treble 
V:1
 GG2G B4 | GG2G B4 | BBB2 BAGA | B6 z2 | BBBB BAGG | AA2A AGEE | G2 GA- AGE2 | D2<G2- G4 | %8
 D2<A2- A4 | G2<B2- B4 | BBBB BAG2 | AA2A- AGE2 | D2<G2- G4 | D2<A2- A2 GA | B2 BA- AGE2 | %15
 D2<G2- G4 || %16  