by slowly and gently stretching and toning the muscles. you start slow and don't do any pain inducement. i used to do it but never consistently. lazy, me.
i also can not stand being around drunk people so i don't go much to see bands but i have friends who are drummers so last year i went to some of their gigs. i always leave about 11 before they get manic.
hope you can meet him. if you can't get in you will have to be a groupie at the back door, lol. take your camera.