Craft a piece of music that captures the impact of Bach's masterpieces.  
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 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
V:1
 D E F !fermata!D | z A G F | E D !fermata!E2 | F G A !fermata!F | z A _B A | G G !fermata!F2 | %6
 A G F !fermata!D | z G G F | E D !fermata!C2 | F G A !fermata!F | z A G D/E/ | F E !fermata!D2 |] %12
V:2
 A, A, A, !fermata!A, | z D3/2 ^C/ D | D/^C/ D/D,/ !fermata!A,2 | =C C C !fermata!C | z F3/2 E/ F | %5
 F E !fermata!C2 | C3/2 ^C/ D !fermata!A, | z D3/2 C/4=B,/4 C | C B, !fermata!G,2 | %9
 D E F/_E/ !fermata!D | z D D D | D ^C !fermata!A,2 |] %12
V:3
 F, E, D, !fermata!F, | z F, G, A, | A,3/2 G,/ !fermata!^C,2 | A, G, F, !fermata!A, | z C _B, C | %5
 D C/_B,/ !fermata!A,2 | F, G, A, !fermata!F, | z G,/F,/ E,3/2 D,/ | E,/F,/ G,/F,/ !fermata!E,2 | %9
 A, C C !fermata!_B, | z C _B, F,/G,/ | A,3/2 G,/ !fermata!^F,2 |] %12
V:4
"Dm" D,3/2 ^C,/"Dm" D,"Dm" !fermata!D,, | z"Dm" D,,"Em" E,,"Dm/F" F,,/G,,/ | %2
"Asus4" A,,"Bb" _B,,"A" !fermata!A,,2 |"F/A" A,,/ F,, E,,/"F" F,,"F" !fermata!F, | %4
 z"F" F,/_E,/"Bb/D" D,"F/C" C, |"Gm7/Bb" _B,,"C" C,"F" !fermata!F,,2 | %6
"F" F,,/ F, E,/"Dm" D,"Dm" !fermata!D,, | z"G/B" =B,,"C" C,"Fmaj7/A" A,, | %8
"C/G" G,,"G" G,,"C" !fermata!C,,2 |"Dm" D,"C" C,/_B,,/"F/A" A,,/F,,/"Bb" !fermata!B,, | %10
 z"D7/F#" ^F,,"Gm" G,,/A,,/"Bb" _B,, |"Dm/A" A,,"A" A,,,"D" !fermata!D,,2 |] %12  