// chord notations
// https://jazz-library.com/articles/chord-symbols/
// https://www.musicnotes.com/now/tips/a-complete-guide-to-chord-symbols-in-music/
// https://www.pianochord.org/c.html
// m, 7, m7, maj7, mM7, 6, m6, 6/9, 5, 9, m9, maj9, 11, m11, 13, m13, maj13, add, 7-5, 7+5, sus, dim, dim7, m7b5, aug, aug7

export const keys: string[] = ["C", "C#", "D", "E♭", "E", "F", "F#", "G", "G#", "A", "B♭", "B"]
export const keysInverted: string[] = ["C", "D♭", "D", "D#", "E", "F", "G♭", "G", "A♭", "A", "A#", "B"]
export const romanKeys: string[] = ["I", "II", "III", "IV", "V", "VI", "VII", "VIII", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii"]

export const chordTypes: string[] = ["", "m", "maj", "min", "dim", "sus", "sus4", "sus2", "aug"]
export const chordTensions: string[] = ["", "7", "j7", "b9", "9", "#9", "11", "#11", "b13", "13", "+", "°"] // b5/#11, #5/b13, 6/13