To playback these Notch blocks you need, virtual audio cable (VAC installer) and this tutorial (Playback from multiple sources) on routing audio through Virtual Cable, and your speakers or headphones, so you can hear the music and see the effect its causing.
Download any of the notch blocks below, and direct your browser to http://127.0.0.1:9000/ for the control interface, load the controller after opening the block for best results, if its not working, refresh the control page