Generate a piece of music. The title is Swing Low, Sweet Chariot. It belongs to the genre of Negro Spiritual. It is from United States of America.  
X:1
T:Swing Low, Sweet Chariot
T:Swing Low, Sweet Chariot
C:Music21
L:1/8
Q:1/4=52
M:4/4
I:linebreak $
K:F
V:1 treble 
V:1
 A2 F4 A2 | F3 F D C3 | FF FF Ac c2 | c8 | dc A4 c2 | F3 F D C3 | FF FF AA G2 | F6 x2 || z A x6 | %9
 c2 FD F- F2 F | F-F FF D C3 | FF FF Ac c2 | c6 z c | d c2 A A2 F2 | FF FF D C3 | FF FF AA G2 | %16
 F8 |] %17  