Craft a musical piece that embodies the unique essence found in Bach's creations.  
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
 G E A B | c c !fermata!B2 | A/B/ c G E | F E D2 | !fermata!C4 | G E A B | c c !fermata!B2 | %7
 A/B/ c G E | F E D2 | !fermata!C4 | E ^F ^G A | B B !fermata!A2 | B c d e | d3/2 c/ !fermata!c2 |] %14
V:2
 E2 CD E2 E2 | E2 A4 !fermata!^G2 | A2 =GE D3 G, | C D2 C C2 B,2 | !fermata!G,8 | E2 CD E2 E2 | %6
 E2 A4 !fermata!^G2 | A2 =GE D3 G, | C D2 C C2 B,2 | !fermata!G,8 | C2 D3 =F EC | %11
 FD B,E/D/ !fermata!C4 | G2 G2 G2 G2 | AF DG/F/ !fermata!E4 |] %14
V:3
 C G, C B, | A, E !fermata!E2 | C3/2 G, B,/ G,/E,/ | A,/G,/ G, A, G,/F,/ | !fermata!E,4 | %5
 C G, C B, | A, E !fermata!E2 | C3/2 G, B,/ G,/E,/ | A,/G,/ G, A, G,/F,/ | !fermata!E,4 | %10
 G, A, B,/D/ C/A,/ | A,3/2 ^G,/ !fermata!A,2 | D E D C | C B, !fermata!G,2 |] %14
V:4
"C" C,2"C" C,B,,"Am" A,,2"E/G#" ^G,,2 |"Am" A,,B,,"Am/C" C,D,"E" !fermata!E,4 | %2
"F" F,2"C/E" E,2"G/B" B,,G,,"C" C,2 |"F/A" A,,B,,"C" C,2"Dm7/F" F,,2"G" G,,2 |"C" !fermata!C,,8 | %5
"C" C,2"C" C,B,,"Am" A,,2"E/G#" ^G,,2 |"Am" A,,B,,"Am/C" C,D,"E" !fermata!E,4 | %7
"F" F,2"C/E" E,2"G/B" B,,G,,"C" C,2 |"F/A" A,,B,,"C" C,2"Dm7/F" F,,2"G" G,,2 |"C" !fermata!C,,8 | %10
"C" C,C,,"D7/C" C,2"G#dim/B" B,,2"Am/C" C,F, |"Bm7b5/D" D,B,,"Esus4" E,2"Am" !fermata!A,,4 | %12
"G" G,F,"C/E" E,D,"Csus2" C,B,,"C" C,E, |"Dm7/F" F,D,"G" G,2"C" !fermata!C,4 |] %14  