J the first thing you must achieve is relaxation.when running relaxed muscles fire and work better in harmony.rythem will happen with practice and when it happens you’ll notice that sprinting fast isn’t really that difficult.its getting that initial feel that is the hardest part,after that you can remember what it feels like-just like riding a bike
music can be used for uplifting an athlete or even claming an athlete.i have seen a top sports therapist using a serious a bleeps to enable his athlete to refine his run-up.this particular athlete was having problems in this area and the solution was to use these bleeps which would be trained and most improtantly encraved into his sub-consious.interesting stuff and that sa different story.