def get_tuplets(gn):
    """Return the (part of) tuplets on top of a general note.

    The tuplets are expressed as a list of strings "start", "continue" and "stop.

    Args:
        gn (GeneralNote): the music21 general note (e.g. note, rest or chord).

    Returns:
        list: the list of tuplets.
    """
    tuplets_list = [t.type for t in gn.duration.tuplets]
    # substitute None with continue
    return ["continue" if t is None else t for t in tuplets_list]