17 Minutes - Reinforces all of the jock suggestions from the past two MP3's and takes the workouts to the highest level.  Listen to this file with headphones for best results.  Also, listen at times when you are able to close your eyes and focus completely on the MP3.  TIP: It is highly recommended that the listener begin with the Jock Level II MP3 for at least two weeks prior to beginning Jock Level III.