Compose a piece of music that reflects the characteristics of Bach's works.  
X:1
T:Music21 Fragment
T:Music21 Fragment
T:Music21
C:Music21
%%score 1 2 3 4
L:1/4
M:4/4
K:C
V:1 treble 
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:2 treble 
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:3 treble 
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:4 bass 
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:1
 z3 G | c d e f/g/4a/4 | g f/e/ !fermata!e a | g f e d/e/4f/4 | d d/c/ !fermata!c G | %5
 c d e f/g/4a/4 | g f/e/ !fermata!e a | g f e d/e/4f/4 | d d/c/ !fermata!c g | a a !fermata!d d | %10
 g g !fermata!c e | d c B c/B/ | A2 !fermata!G g | f e d e/f/ | d2 !fermata!c z |] %15
V:2
 z3 E/F/ | G G c c | c/A/ B !fermata!G F/E/ | D A G A | G2 !fermata!G E/F/ | G G c c | %6
 c/A/ B !fermata!G F/E/ | D A G A | G2 !fermata!G c | c d/c/ !fermata!B B | %10
 c/d/ c/_B/ !fermata!A c | c/=B/ A A/G/ G | G ^F !fermata!D E/D/ | C/D/ E/F/ G G/A/ | %14
 A G !fermata!G z |] %15
V:3
 z3 C/D/ | E D A A/F/ | E/C/ D !fermata!C C | B, C/D/ E/D/ C | C B, !fermata!E C/D/ | E D A A/F/ | %6
 E/C/ D !fermata!C C | B, C/D/ E/D/ C | C B, !fermata!E E | F/E/ D !fermata!G G | %10
 G/F/ G !fermata!F G | G/D/ E/D/ D C/D/ | E D/C/ !fermata!B, B | A G/A/ D C | C B, !fermata!E z |] %15
V:4
 z3"C" C, |"C" C"G/B" B,"Am" A,/G,/"F" F, |"C/G" G,"G7" G,"C" !fermata!C,"F" F, | %3
"G" G,"F/A" A,/B,/"C" C"Dm7/F" F, |"Gsus4" G,2"C" !fermata!C,"C" C, | %5
"C" C"G/B" B,"Am" A,/G,/"F" F, |"C/G" G,"G7" G,"C" !fermata!C,"F" F, | %7
"G" G,"F/A" A,/B,/"C" C"Dm7/F" F, |"Gsus4" G,2"C" !fermata!C,"C" C | %9
"F" F,"D/F#" ^F,"G" !fermata!G,"G" G,/=F,/ |"C/E" E,/D,/"C/E" E,"F" !fermata!F,"C" C, | %11
"Gsus4" G,"Am7/G" G,/^F,/"G" G,/B,/"C" E/D/ |"Am7/C" C/A,/"D" D"G" !fermata!G,"Em" E, | %13
"F/A" A,/B,/"C" C"Csus2" C/B,/"C" C/A,/ |"Dm7/F" F,/D,/"G" G,"C" !fermata!C, z |] %15  