Its a Technique I made up.

Play them all at the same time.

http://www.youtube.com/watch?v=uPbR1Xoi8_g

http://www.youtube.com/watch?v=YkMeV7YaUIY

http://www.youtube.com/watch?v=gz87GPnJSd8

if you want something soothing(but its a comedy routine listen to this

http://www.youtube.com/watch?v=Ic7gAfwB-IE

Hypnosis(This Really happened for me with this Vid)

http://www.youtube.com/watch?v=46LUyJ0WlNA