Headphones are recommended. Enlarging the video is good. The mantra below is perfect for beginning your centering. Focus on the center of the video. Let the eyes rest and listen deeply. Once centered allow the mantra to fade if it does.
The mantra is Khayla d' Rukha ( Kha-hay-la dah el-haya) which means the power of the spirit in Aramaic. The Language of Jesus.