AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, string name, bool hidden = false);
AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, nframes_t start, nframes_t cnt, string name, bool hidden = false);
AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, string name, bool hidden = false);
AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, nframes_t start, nframes_t cnt, string name, bool hidden = false);