Craft a tune reminiscent of 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 c | B A !fermata!G G | A B !fermata!c d | c B A B/c/ | A2 !fermata!G c | B c !fermata!d d | %6
 e d/c/ !fermata!d G | A B c/d/ e/=f/ | d2 !fermata!c z |] %9
V:2
 z3 G | G ^F !fermata!D E/D/ | C D !fermata!E G | G/^F/ G F G | G ^F !fermata!D G | %5
 F G !fermata!G G | G ^F !fermata!G G | D D C3/2 A/ | G3/2 F/ !fermata!E z |] %9
V:3
 z3 E | D3/2 C/ !fermata!B, C/_B,/ | A,/G,/ F, !fermata!G, B, | C D D D | E D/C/ !fermata!B, C | %5
 D E !fermata!B, B, | C C !fermata!B, C | C B, E/=F/ G/C/ | C B, !fermata!G, z |] %9
V:4
 z3"C" C, |"G" G,"D" D,"G" !fermata!G,,"C" C, |"F" F,/E,/"Bdim/D" D,"C" !fermata!C,"G" G,, | %3
"Am" A,,"G/B" B,,/C,/"D" D,"G" G, |"Am7/C" C,"D" D,"G" !fermata!G,,"C/E" E, | %5
"Bdim/D" D,"C" C,"G" !fermata!G,"G" G, |"C" C/B,/"D7/A" A,"G" !fermata!G,"C/E" E, | %7
"D7/F#" ^F,"G#dim" ^G,"Am" A,"C/G" =G,/=F,/ |"Gsus4" G,"G" G,,"C" !fermata!C, z |] %9  