Design a melody that pays tribute to the quintessence of Bach's musical genius.  
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
L:1/8
V:1
 z3 c | e g e d | e ^f !fermata!g a | g/=f/ e d c/d/ | e d !fermata!c d | e e d g | %6
 g ^f !fermata!g e | =f e d c | c B !fermata!c z |] %9
V:2
 z3 G | c d3/2 c B/ | c c !fermata!B d | d3/2 c B/ A/G/ | G G !fermata!G B | c c c B | %6
 A A !fermata!B G | A G/ c B A/ | G G !fermata!G z |] %9
V:3
 z3 E | G G G G | G A !fermata!D =F | G G A/ E D/ | D/ C B,/ !fermata!E G | G G G D/G/ | %6
 E/C/ D !fermata!D C | C/D/ E A/E/ E | E D !fermata!E z |] %9
V:4
 z6"C" C,2 |"C" C,2"G/B" B,,2"C" C,E,"Gsus4" G,2 |"C" CB,"F#dim/A" A,2"G" !fermata!G,2"Dm" DC | %3
"G/B" B,2"C" C2"D7/F#" ^F,^G,"Am" A,B, |"C" C2"Gsus4" =G,2"C" !fermata!C,2"G" G,2 | %5
"C" C,D,"C/E" E,^F,"Gsus4" G,A,"G/B" B,E |"Am7/C" CA,"D" DD,"G" !fermata!G,2"C" C_B, | %7
"F/A" A,=B,"C" C2"D7/F#" ^F,^G,"Am" A,2 |"C/E" E,=F,"G" =G,2"C" !fermata!C,2 z2 |] %9  