// This method finds the note letter of the #
    public String findNoteLetter() {

        String[] letters = { "a", "a#", "b", "c", "c#", "d", "d#", "e", "f",
                "f#", "g", "g#" };
        String note = "";
        // if number is 0, or greater
        if (noteNumber >= 0)
        {
            while (noteNumber > 12)
            {
                noteNumber -= 12;
            }
            switch (noteNumber) {
            case 0:
                note = letters[0].toUpperCase();
                break;
            case 1:
                note = letters[1].toUpperCase();
                break;
            case 2:
                note = letters[2].toUpperCase();
                break;
            case 3:
                note = letters[3].toUpperCase();
                break;
            case 4:
                note = letters[4].toUpperCase();
                break;
            case 5:
                note = letters[5].toUpperCase();
                break;
            case 6:
                note = letters[6].toUpperCase();
                break;
            case 7:
                note = letters[7].toUpperCase();
                break;
            case 8:
                note = letters[8].toUpperCase();
                break;
            case 9:
                note = letters[9].toUpperCase();
                break;
            case 10:
                note = letters[10].toUpperCase();
                break;
            case 11:
                note = letters[11].toUpperCase();
                break;
            case 12:
                note = letters[12].toUpperCase();
                break;
            }
        }

        // if number is less than 0...
        if (noteNumber < 0)
        {
            while (noteNumber > 12)
            {
                noteNumber += 12;
            }
            noteNumber = Math.abs(noteNumber);
            switch (noteNumber) {
            case 0:
                note = letters[1].toUpperCase();
                break;
            case 1:
                note = letters[11].toUpperCase();
                break;
            case 2:
                note = letters[10].toUpperCase();
                break;
            case 3:
                note = letters[9].toUpperCase();
                break;
            case 4:
                note = letters[8].toUpperCase();
                break;
            case 5:
                note = letters[7].toUpperCase();
                break;
            case 6:
                note = letters[6].toUpperCase();
                break;
            case 7:
                note = letters[5].toUpperCase();
                break;
            case 8:
                note = letters[4].toUpperCase();
                break;
            case 9:
                note = letters[3].toUpperCase();
                break;
            case 10:
                note = letters[2].toUpperCase();
                break;
            case 11:
                note = letters[1].toUpperCase();
                break;
            case 12:
                note = letters[0].toUpperCase();
                break;
            }
        }

        return note;
    }