Do not use music. I have learned that the goal of the workout is to increase neuromuscular efficiency. Music has the ability to sidetrack your mind
and put you into an emotional made up scenario that pumps you up. This is good to perform a single set of difficult reps, but think about it. You
are not as focused as you can be.
Ultimate focus comes with no stimuli, it is generated from within. It is when you are at the point of not needing any extra motivation, music,
workout drinks.. etc. that you have reached a mental state where exercise can become extremely beneficial.
EDIT: You WANT music because you cannot focus. There is no other reason to add unnecessary things into a workout because you are born with
everything you need to fine tune your body to its maximum.
edit on 4-4-2012 by chadderson because: (no reason given)