Craft a melody that aligns with the stylistic traits found in Bach's compositions.  
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 nm="Piano" snm="Pno"
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:2 treble nm="Piano" snm="Pno"
%%MIDI channel 3
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:3 bass nm="Piano" snm="Pno"
%%MIDI channel 4
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
V:4 bass nm="Piano" snm="Pno"
%%MIDI channel 5
%%MIDI program 0
%%MIDI control 7 100
%%MIDI control 10 64
L:1/8
V:1
 G G A A | B B !fermata!c2 | d d c c | B A/B/4c/4 A2 | !fermata!G2 G G | A A G F | %6
 !fermata!E2 G G | F F E D/E/4F/4 | D2 !fermata!C2 | c c B B | A A !fermata!G2 | G G F E | %12
 D D !fermata!C2 |] %13
V:2
 E/F/ G G F | F/D/ G/F/ !fermata!E2 | G G G ^F/E/ | D D E D | !fermata!D2 E/F/ G | G F3/2 E D/ | %6
 !fermata!C2 B, E | E/D/4C/4 D3/2 C/ C | C B, !fermata!G,2 | E E E D | E D !fermata!D2 | %11
 E E3/2 D C/ | C/B,/4A,/4 B, !fermata!G,2 |] %13
V:3
 C C C D | D G, !fermata!G,2 | B, B, B, A, | A,/G,/ G, G, ^F, | !fermata!B,2 C C | %5
 C D D/B,/ C/G,/ | !fermata!G,2 G, A, | A, G, G, A, | G, F, !fermata!E,2 | A, A, G, G, | %10
 G, ^F, !fermata!B,2 | B, C C/G,/ G,/A,/ | A,/F,/ D,/G,/ !fermata!E,2 |] %13
V:4
"C" C,D,"C/E" E,C,"Am7/E" F,E,"Dm/F" F,D, |"G7" G,F,"Em" E,D,"C" !fermata!C,4 | %2
"G" G,,A,,"G/B" B,,G,,"Am9" A,,B,,"F#dim/C" C,A,, |"Bm" B,,C,"Dsus4" D,B,,"Am7/C" C,A,,"D" D,D,, | %4
"G" !fermata!G,,4"C" C,D,"C/E" E,C, |"Am7/E" F,E,"Dm" D,C,"G7/B" B,,G,,"Fmaj7/A" A,,B,, | %6
"C" !fermata!C,4"Em" E,D,"A7/C#" ^C,A,, |"Dm" D,=C,"G7/B" B,,G,,"C" C,E,"Dm7/F" F,D, | %8
"Gsus4" G,F,"G7/F" G,G,,"C" !fermata!C,4 |"Am" A,,B,,"Am/C" C,D,"Em" E,^F,"G" G,E, | %10
"A7/C#" ^C,A,,"D" D,2"G" !fermata!G,,4 |"Em" E,D,"C" C,B,,"Fmaj7/A" A,,B,,"C" C,A,, | %12
"Dm7/F" F,,D,,"G" G,,2"C" !fermata!C,,4 |] %13  