public void Mode_containsIntervalTest()
{
Mode mode = ModeFactory.getModeByName("Ionian");
Assert.IsTrue(mode.containsInterval("R"));
Assert.IsTrue(mode.containsInterval("M2"));
Assert.IsTrue(mode.containsInterval("M3"));
Assert.IsTrue(mode.containsInterval("P4"));
Assert.IsTrue(mode.containsInterval("P5"));
Assert.IsTrue(mode.containsInterval("M6"));
Assert.IsTrue(mode.containsInterval("M7"));
Assert.IsFalse(mode.containsInterval("m7"));
}
public static List <Chord> getChordRecomendationsByTonic(Note key, Note tonic, Mode mode)
{
int i = tonic.getValue() - key.getValue();
if (i < 0)
{
i = i + 12;
}
List <Chord> chords = new List <Chord>();
// Triads and five diad
// "X" major 0 4 7
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName()));
}
// "Xm" minor 0 3 7
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m"));
}
// "Xdim" diminished 0 3 6
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "dim"));
}
// "Xaug" augmented 0 4 8
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(8 + i) || (mode.containsInterval((8 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "aug"));
}
// "X(b5)" flat five 0 4 6
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "(b5)"));
}
// "X5" five diad 0 7
if ((mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "5"));
}
// "Xsus" suspended 0 5 7
if ((mode.containsInterval(5 + i) || (mode.containsInterval((5 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "sus"));
}
// suspended two 0 2 7
if ((mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "sus2"));
}
// Sevens
// "X7" seven 0 4 7 10
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7"));
}
// "Xm7" minor seven 0 3 7 10
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m7"));
}
// "X7sus" suspended seven 0 5 7 10
if ((mode.containsInterval(5 + i) || (mode.containsInterval((5 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7sus"));
}
// "X7(b5)" suspended seven 0 4 6 10
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7(b5)"));
}
// "Xm7(b5)" suspended seven 0 3 6 10
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m7(b5)"));
}
// "Xmaj7" major seven 0 4 7 11
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(11 + i) || (mode.containsInterval((11 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "maj7"));
}
// "Xm(maj7)" minor with major seven 0 3 7 11
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(11 + i) || (mode.containsInterval((11 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m(maj7)"));
}
// "Xmaj7(b5)" major seven flat five 0 4 6 11
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))) &&
(mode.containsInterval(11 + i) || (mode.containsInterval((11 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "maj7(b5)"));
}
// "X7+" augmented seven 0 4 8 10
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(8 + i) || (mode.containsInterval((8 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7+"));
}
// "X7+(b9)" augmented seven 0 4 8 10 1
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(8 + i) || (mode.containsInterval((8 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(1 + i) || (mode.containsInterval((1 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7+(b9)"));
}
// Sixes
// "X6" seven 0 4 7 9 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "6"));
}
// "X6/9" seven 0 4 7 9 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "6/9"));
}
// "Xm6" seven 0 3 7 9
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m6"));
}
// "Xm6/9" seven 0 3 7 9 2
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m6/9"));
}
// Nines
// "X(add9)" add nine 0 4 7 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "(add9)"));
}
// "X9" nine 0 4 7 10 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "9"));
}
// "Xmaj9" major nine 0 4 7 11 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(11 + i) || (mode.containsInterval((11 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "maj9"));
}
// "Xm9(maj7)" minor nine with major seven 0 3 7 11 2
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(11 + i) || (mode.containsInterval((11 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m9(maj7)"));
}
// "X7(b9)" seven flat nine 0 4 7 10 1
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((1 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7(b9)"));
}
// "X7(#9)" major seven flat five 0 4 7 10 3
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "7(#9)"));
}
// "X9(#11)" nine with sharp eleven 0 4 7 10 2 6
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "9(#11)"));
}
// "X9+" augmented nine 0 4 8 10 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(8 + i) || (mode.containsInterval((8 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "9+"));
}
// "X9(b5)" nine flat five 0 4 6 10 2
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "9(b5)"));
}
// Elevens
// "X11" eleven 0 4 7 10 2 5
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))) &&
(mode.containsInterval(5 + i) || (mode.containsInterval((5 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "11"));
}
// "Xm11" minor eleven 0 3 7 10 2 5
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))) &&
(mode.containsInterval(5 + i) || (mode.containsInterval((5 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m11"));
}
// "XM11" major eleven 0 4 7 10 2 5
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(11 + i) || (mode.containsInterval((11 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))) &&
(mode.containsInterval(5 + i) || (mode.containsInterval((5 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "M11"));
}
// Thirteens
// "X13" thirteen 0 4 7 10 2 9
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(2 + i) || (mode.containsInterval((2 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "13"));
}
// "X13(b9)" thirteen flat nine 0 4 7 10 1 9
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(1 + i) || (mode.containsInterval((1 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "13(b9)"));
}
// "X13(#9)" thirteen sharp nine 0 4 7 10 3 9
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "13(#9)"));
}
// "X13(b9b5)" thirteen 0 4 6 10 1 9
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))) &&
(mode.containsInterval(10 + i) || (mode.containsInterval((10 + i) - 12))) &&
(mode.containsInterval(1 + i) || (mode.containsInterval((1 + i) - 12))) &&
(mode.containsInterval(9 + i) || (mode.containsInterval((9 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "13(b9b5)"));
}
return(chords);
}
public static List <Chord> getChordRecomendationsByLast(Note key, Chord lastChord, Mode mode)
{
List <Chord> chords = new List <Chord>();
List <Chord> fives = new List <Chord>();
List <Chord> sevens = new List <Chord>();
List <Chord> sixes = new List <Chord>();
int value;
int distance;
Note note;
bool foundDegree;
bool foundFifth = false;
bool foundSeventh = false;
bool foundSixth = false;
// V -> I -> IV
foundDegree = false;
distance = lastChord.getNoteAt(0).getValue() - key.getValue();
if (distance < 12)
{
distance = distance + 12;
}
if (mode.containsInterval(7 + distance) || mode.containsInterval(7 + distance - 12))
{
value = lastChord.getNoteAt(0).getValue() + 7;
if (value > 12)
{
value = value - 12;
}
note = NoteFactory.getNoteByValue(value, key);
foundDegree = true;
}
// May add b5 and #5 recomendations back in
/*
* else if (mode.containsInterval(6))
* {
* value = lastChord.getNoteAt(0).getValue() + 6;
* if (value > 12) { value = value - 12; }
* note = NoteFactory.getNoteByValue(value, key);
* foundDegree = true;
* }
* else if (mode.containsInterval(8))
* {
* value = lastChord.getNoteAt(0).getValue() + 8;
* if (value > 12) { value = value - 12; }
* note = NoteFactory.getNoteByValue(value, key);
* foundDegree = true;
* }
*/
else
{
note = NoteFactory.getNoteByValue(key.getValue(), key);
}
if (foundDegree)
{
fives = ChordFactory.getChordRecomendationsByTonic(key, note, mode);
foundFifth = true;
}
// VII -> I -> II
foundDegree = false;
distance = lastChord.getNoteAt(0).getValue() - key.getValue();
if (distance < 12)
{
distance = distance + 12;
}
if (mode.containsInterval(10 + distance) || mode.containsInterval(10 + distance - 12))
{
value = lastChord.getNoteAt(0).getValue() + 10;
if (value > 12)
{
value = value - 12;
}
note = NoteFactory.getNoteByValue(value, key);
foundDegree = true;
}
else if (mode.containsInterval(11 + distance) || mode.containsInterval(11 + distance - 12))
{
value = lastChord.getNoteAt(0).getValue() + 11;
if (value > 12)
{
value = value - 12;
}
note = NoteFactory.getNoteByValue(value, key);
foundDegree = true;
}
else
{
note = NoteFactory.getNoteByValue(key.getValue(), key);
}
if (foundDegree)
{
sevens = ChordFactory.getChordRecomendationsByTonic(key, note, mode);
foundSeventh = true;
}
// VI -> I -> III
foundDegree = false;
distance = lastChord.getNoteAt(0).getValue() - key.getValue();
if (distance < 12)
{
distance = distance + 12;
}
if (mode.containsInterval(9 + distance) || mode.containsInterval(9 + distance - 12))
{
value = lastChord.getNoteAt(0).getValue() + 9;
if (value > 12)
{
value = value - 12;
}
note = NoteFactory.getNoteByValue(value, key);
foundDegree = true;
}
else if (mode.containsInterval(8 + distance) || mode.containsInterval(8 + distance - 12))
{
value = lastChord.getNoteAt(0).getValue() + 8;
if (value > 12)
{
value = value - 12;
}
note = NoteFactory.getNoteByValue(value, key);
foundDegree = true;
}
else
{
note = NoteFactory.getNoteByValue(key.getValue(), key);
}
if (foundDegree)
{
sixes = ChordFactory.getChordRecomendationsByTonic(key, note, mode);
foundSixth = true;
}
if (foundFifth)
{
chords.AddRange(fives);
}
if (foundSeventh)
{
chords.AddRange(sevens);
}
if (foundSixth)
{
chords.AddRange(sixes);
}
return(chords);
}
public static List <Chord> getChordRecomendationsTriads(Note key, Mode mode)
{
int i;
int tonicValueCheck;
Note tonic;
List <Chord> chords = new List <Chord>();
for (i = 0; i < 12; i++)
{
tonicValueCheck = key.getValue() + i;
if (tonicValueCheck > 12)
{
tonicValueCheck = tonicValueCheck - 12;
}
tonic = NoteFactory.getNoteByValue(tonicValueCheck, key);
if (mode.containsInterval(i))
{
// augmented 0 4 8
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(8 + i) || (mode.containsInterval((8 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "aug"));
}
// major 0 4 7
if ((mode.containsInterval(4 + i) || (mode.containsInterval((4 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName()));
}
// minor 0 3 7
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(7 + i) || (mode.containsInterval((7 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "m"));
}
// diminished 0 3 6
if ((mode.containsInterval(3 + i) || (mode.containsInterval((3 + i) - 12))) &&
(mode.containsInterval(6 + i) || (mode.containsInterval((6 + i) - 12))))
{
chords.Add(ChordFactory.getChordByName(tonic.getName() + "dim"));
}
}
}
return(chords);
}
