concerts i've been too.....deftones,godsmack,american head charge,rammstien,no one,system of a down,slipknot twice,shadows fall,lamb of god twice,clutch,unearth,poison the well,opeth,norma jean,every time i die, chimaira,throwdown,madball,high on fire,a life once lost,all that remains,strapping young lad,fear before the march of flames,devil driver,GWAR twice,behemoth,cannibal corpse,the black dahlia murder,as i lay dying,in flames,evergreen terrence,smilin liar,terror,trivium,long term disability,machine head,through the eyes of the dead,the chariot,inked and amped concert, PRIMUS!