def key_int_to_str(key: int) -> str:
    """
    Convert spotify's 'pitch class notation' to
    and actual key value
    """
    switcher = {
        "0": "C",
        "1": "C#",
        "2": "D",
        "3": "D#",
        "4": "E",
        "5": "F",
        "6": "F#",
        "7": "G",
        "8": "G#",
        "9": "A",
        "10": "A#",
        "11": "B"
    }
    return switcher.get(str(key), "No key")