anchor.diff:  B Major 7 13/9,Bmaj13/9,B,maj13/9,,,A E F,,,,,
   B Dominant 7 13/9,B13/9,B,13/9,,,A E G Bb,,,,,
   B Dominant 7 13/b9,B13/b9,B,13/b9,,,E G,,,,,
  -B Dominant 7#9,B7#9,B,7#9,,,Bb Eb,,,,,
  -
  +B Dominant 7#9,B7#9,B,7#9,,,Bb Eb,,,,,
positive.code: ,,,,x 0 1 0 1 x,x 0 1 0 1 x,,,,,x 1 3 2 4 x,
  A Add 9,Aadd9,A,add9,x 0 2 4 2 0,x 0 1 4 2 0,E C A,,,,x 1 2 4 3 1,
  A Sus 2,Asus2,A,sus2,x 0 2 2 0 0,x 0 2 3 0 0,D,,,,,
  A Add 4,Aadd4,A,add4,x 0 0 2 2 0,x 0 0 2 3 0,E G,,,,,
  A Sus4,Asus4,A,sus4,x 0 2 2 3 0 ,x 0 1 2 3 0,E D,,,,,
  A 5 (Power Chord),A5,A,5,x 0 2 2 x x,x 0 2 3 x x,E D,,,,,
  A 6,A6,A,6,x 0 2 2 2 2,x 0 1 1 1 1,E D F B G,,,,x 1 3 3 3 3,
  A Minor add 9,Amadd9,A,madd9,x 0 2 4 1 0,x 0 2 4 1 0,E,,,,,
  A Minor add 4,Amadd4,A,madd4,x 0 0 2 1 0,x 0 0 2 1 0,E,,,,,
  A Minor 6,Am6,A,m6,x 0 2 2 1 2,x 0 2 3 1 4,E F B D,,,,,
  
negative.code: ,,,,x 1 x 0 1 0,x 1 x 0 2 0,,,,,,
  ,,B,,x 2 2 0 1 0,x 2 3 0 1 0 ,G E F Bb,,,,,
  ,,,,x 2 x 0 1 0,x 2 x 0 1 0 ,,,,,,
  C Minor,Cm,C,m,,,A E  D,,,,,
  ,,Db,,,,Ab C# E,,,,,
  ,,D,,x x 0 5 4 3,x x 0 3 2 1,Ab E C# D,,,,,
  ,,Eb,,,,C# Ab E F#,,,,,
  