+ list<boost::shared_ptr<AudioTrack> > audio_tracks;
+ audio_tracks = session()->new_audio_track (region->n_channels(), output_chan, ARDOUR::Normal, 0, 1, region->name());
+ rtav = axis_view_from_route (audio_tracks.front());
+ } else if (boost::dynamic_pointer_cast<MidiRegion> (region)) {
+ ChanCount one_midi_port (DataType::MIDI, 1);
+ list<boost::shared_ptr<MidiTrack> > midi_tracks;
+ midi_tracks = session()->new_midi_track (one_midi_port, one_midi_port, boost::shared_ptr<ARDOUR::PluginInfo>(), ARDOUR::Normal, 0, 1, region->name());
+ rtav = axis_view_from_route (midi_tracks.front());
+ } else {
+ return;