def from_chord_shorthand(self, shorthand):
        """Empty the container and add the notes in the shorthand.

        See mingus.core.chords.from_shorthand for an up to date list of
        recognized format.

        Example:
        >>> NoteContainer().from_chord_shorthand('Am')
        ['A-4', 'C-5', 'E-5']
        """
        self.empty()
        self.add_notes(chords.from_shorthand(shorthand))
        return self
Empty the container and add the notes in the shorthand.

        See mingus.core.chords.from_shorthand for an up to date list of
        recognized format.

        Example:
        >>> NoteContainer().from_chord_shorthand('Am')
        ['A-4', 'C-5', 'E-5']