They are similar but not the same. As for mp3, the youtube video and audio work hand in hand. It’s supposed to be listened there for the full effect. The effect of the audio is compounded the more people are listening at once. That is why when we did the mass meditation, many of us felt the energy very strongly. It was pretty powerful. The good thing is that the energy developed in those mass meditations continually power the field… and just people listening on a daily basis. So it grows more and more powerful by the day.