def track(self, track_id, market=None):
        """ returns a single track given the track's ID, URI or URL

            Parameters:
                - track_id - a spotify URI, URL or ID
                - market - an ISO 3166-1 alpha-2 country code.
        """

        trid = self._get_id("track", track_id)
        return self._get("tracks/" + trid, market=market)
 returns a single track given the track's ID, URI or URL

            Parameters:
                - track_id - a spotify URI, URL or ID
                - market - an ISO 3166-1 alpha-2 country code.
        
spotipy/client.py