Add Key Signature

Set key signature form the beginning of current measure.

Key signature consists of tonic and scale type.

builder.setKeySignature("C Major");            // Create C Major scale.
builder.setKeySignature("D", "Major");         // Create D Major scale.
builder.setKeySignature("A", "Natural Minor"); // Create A natural minor scale.

Here is list of supported scale types. Alternatively you can use Theory.ScaleType enum values.

• "Major"
• "Natural Minor"
• "Harmonic Minor"
• "Ionian"
• "Dorian"
• "Phrygian"
• "Lydian"
• "Mixolydian"
• "Aeolian"
• "Locrian"
• "Major Pentatonic"
• "Minor Pentatonic"
• "Major Hexatonic Blues"
• "Minor Hexatonic Blues"
• "Heptatonic Blues"