By JOAN GARCIA Bulatlat.com LAOAG CITY, Ilocos Norte–One would not normally hear the blaring guitars and growling of heavy metal bands coincide with that of the beats of the tongatongand the soft chants of a salidummay. However, on December 11, youth artists from Ilocos Norte came together with the Salidummay of the Dap-ayan ti Kultura…