def METHOD_NAME(self, url):
    playlist_id = self._match_id(url)
    webpage = self._download_webpage(url, playlist_id)
    data = self._parse_json(
        self._search_regex(
            r"(?s)PAGE\.mix\s*=\s*({.+?});\n", webpage, 'trax information'),
        playlist_id)
    session = str(random.randint(0, 1000000000))
    mix_id = data['id']
    track_count = data['tracks_count']
    duration = data['duration']
    avg_song_duration = float(duration) / track_count
    # duration is sometimes negative, use predefined avg duration
    if avg_song_duration <= 0:
        avg_song_duration = 300
    first_url = 'http://8tracks.com/sets/%s/play?player=sm&mix_id=%s&format=jsonh' % (session, mix_id)
    next_url = first_url
    entries = []
    for i in range(track_count):
        api_json = None
        download_tries = 0
        while api_json is None:
            try:
                api_json = self._download_webpage(
                    next_url, playlist_id,
                    note='Downloading song information %d/%d' % (i + 1, track_count),
                    errnote='Failed to download song information')
            except ExtractorError:
                if download_tries > 3:
                    raise
                else:
                    download_tries += 1
                    self._sleep(avg_song_duration, playlist_id)
        api_data = json.loads(api_json)
        track_data = api_data['set']['track']
        info = {
            'id': compat_str(track_data['id']),
            'url': track_data['track_file_stream_url'],
            'title': track_data['performer'] + ' - ' + track_data['name'],
            'raw_title': track_data['name'],
            'uploader_id': data['user']['login'],
            'ext': 'm4a',
        }
        entries.append(info)
        next_url = 'http://8tracks.com/sets/%s/next?player=sm&mix_id=%s&format=jsonh&track_id=%s' % (
            session, mix_id, track_data['id'])
    return {
        '_type': 'playlist',
        'entries': entries,
        'id': compat_str(mix_id),
        'display_id': playlist_id,
        'title': data.get('name'),
        'description': data.get('description'),
    }