Generate a piece of music. The title is Nobody Knows the Trouble I've Seen. It belongs to the genre of Negro Spiritual. It is from United States of America.  
X:1
T:Nobody Knows the Trouble I've Seen
T:Nobody Knows the Trouble I've Seen
C:Music21
L:1/4
Q:1/4=72
M:4/4
I:linebreak $
K:F
V:1 treble 
V:1
 A/ C D/ F3/2 G/ | A/A/ A A2 | A/ C D/ F F | D C- C2 | A/ C D/ F3/2 G/ | A/A/ A A2 | c3/2 A/ G A | %7
 F F2 x || A x3 | c c c A | c c A2 | c2 A2 | G3 A | c c c A | c c A/G/ F | A2 G2 | F4 || %17  