Compose a musical work that emulates the sounds of Bach.  
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
L:1/8
V:3 bass 
%%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
L:1/8
V:1
 z3 G | G G G/A/ _B | A G !fermata!F G/F/ | E/D/ C/D/ E ^F | G A !fermata!G G | G G G/A/ _B | %6
 A G !fermata!F G/F/ | E/D/ C/D/ E ^F | G A !fermata!G G | c B A B | c/B/ A !fermata!G G | %11
 c G A E/F/ | G F !fermata!E E | D/E/ F E D | A, B, !fermata!C z |] %15
V:2
 z6 E2 | DE F2 EF G2 | GF _B,C !fermata!D2 D2 | C2 G,2 C2 A,2 | D3 C !fermata!B,2 E2 | %5
 DE F2 EF G2 | GF _B,C !fermata!D2 D2 | C2 G,2 C2 A,2 | D3 C !fermata!B,2 CD | E^F G2 FE D2 | %10
 GE ^F2 !fermata!D2 E=F | GF ED ^CD EA, | A,E ED D!fermata!^C =C2 | D=C B,A, G,A, B,2 | %14
 C2 G,2 !fermata!G,2 z2 |] %15
V:3
 z3 C | G, D C C | C/D/ _E !fermata!_B, G, | G,/F,/ E, A, D, | D,/G,/ ^F, !fermata!D, C | %5
 G, D C C | C/D/ _E !fermata!_B, G, | G,/F,/ E, A, D, | D,/G,/ ^F, !fermata!D, E, | A, B,/C/ D G, | %10
 G, D/C/ !fermata!B, C | G,/A,/ _B, A,/=B,/ ^C/D/ | E/A,/ A, !fermata!A, A, | A,/G,/ F, C G,/F,/ | %14
 _E, D,/=F,/ !fermata!=E, z |] %15
V:4
 z6"C" C,2 |"Csus2" C,2"G7/B" B,,2"C" C,2"C7/E" E,,2 | %2
"F" F,,2"Eb/G" G,,A,,"Bb" !fermata!_B,,2"G/B" =B,,2 |"C" C,3 B,,"Am" A,,B,,"D7/C" C,D, | %4
"G/B" B,,G,,"D" D,2"G" !fermata!G,,2"C" C,2 |"Csus2" C,2"G7/B" B,,2"C" C,2"C7/E" E,,2 | %6
"F" F,,2"Eb/G" G,,A,,"Bb" !fermata!_B,,2"G/B" =B,,2 |"C" C,3 B,,"Am" A,,B,,"D7/C" C,D, | %8
"G/B" B,,G,,"D" D,2"G" !fermata!G,,2"C" C,B,, |"Am" A,,2"G" G,,2"D" D,E,"G7/F" =F,D, | %10
"C/E" E,C,"D" D,2"G" !fermata!G,,2"C" C,D, |"C/E" E,F,"Edim/G" G,2"Bm7b5/F" G,F,"Em" E,D, | %12
"A7/C#" ^C,2"Dm" D,2"Asus4" !fermata!A,,2"Am" A,G, |"Dm/F" F,E,"Bdim/D" D,2"C/E" E,F,"G" G,2 | %14
"Am7b5/Eb" G,^F,"G/D" G,2"C" !fermata!C,2 z2 |] %15  