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
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 e | c d e g | f f !fermata!e g | f e d d | !fermata!e3 e | c d e g | f f !fermata!e g | %7
 f e d d | !fermata!e3 d | d d e d | c d !fermata!B B | c d e d/e/ | f e d2 | !fermata!c3 z |] %14
V:2
 z3 c | A B c d | c d !fermata!c c | c c c B | !fermata!c3 c | A B c d | c d !fermata!c c | %7
 c c c B | !fermata!c3 B | G B c B | A B !fermata!^G G | A B c G | c c c B | !fermata!G3 z |] %14
V:3
 z3 G | F F G G | A G !fermata!G G | A G A G | !fermata!G3 G | F F G G | A G !fermata!G G | %7
 A G A G | !fermata!G3 G | D G G G/F/ | E F !fermata!E E | E G G2 | F G A G/F/ | !fermata!E3 z |] %14
V:4
 z3"C" C, |"F" F,/E,/"Bdim/D" D,"C" C,"G/B" B,, |"F/A" A,,"G7/B" B,,"C" !fermata!C,"C/E" E, | %3
"F/A" A,/B,/"C" C"Dm7/F" F,"G" G, |"C" !fermata!C,3"C" C, |"F" F,/E,/"Bdim/D" D,"C" C,"G/B" B,, | %6
"F/A" A,,"G7/B" B,,"C" !fermata!C,"C/E" E, |"F/A" A,/B,/"C" C"Dm7/F" F,"G" G, | %8
"C" !fermata!C,3"G" G,/A,/ |"G/B" B,"G" G,"C" C"G" G, |"Am" A,"Bdim/D" D,"E" !fermata!E,"E" E, | %11
"Am" A,"G" G,"C" C"G/B" B, |"F/A" A,"C/G" G,"Dm7/F" F,"G" G, |"C" !fermata!C,3 z |] %14  