Have anybody converted someone in to a metalhead?how?and which bands/songs did u suggested?10 pts?

somehow i converted this guy who was always listenin to trance and
pop.nw he listens toL.O.G and C.O.B,C.O.F,NILE nd MEZHUGGAH.and he
complained that he broke all of his headphones while headbanging.i
tried for other guys also but all i got was laughs..