▁to : ▁Math core , ▁a ▁dis son ant ▁fusion ▁of ▁extreme ▁metal ▁and ▁hard core ▁punk ▁character ized ▁by ▁the ▁use ▁of ▁odd ▁time ▁sign atures ▁and ▁rh yth mic ▁patterns ▁Math ▁rock , ▁a ▁style ▁of ▁rock ▁character ized ▁by ▁the ▁use ▁of ▁odd ▁time ▁sign atures ▁and ▁rh yth mic ▁patterns ▁Dj ent , ▁a ▁style ▁of ▁progress ive ▁metal , ▁named ▁for ▁an ▁on om at op oe ia ▁for ▁the ▁distinct ive ▁high - g ain , ▁dist orted , ▁pal m - m uted , ▁low - p itch ▁guitar ▁sound <0x0A> </s> ▁A j ith ▁Prem ak um ara ▁Mill ag aha ▁Ged ara ▁( born ▁ 1 2 ▁October ▁ 1 9 9 1 ) ▁is ▁a ▁spr inter ▁from ▁Sri ▁L anka ▁who ▁special ises ▁in ▁the ▁ 4 0 0 ▁m ▁distance . ▁He ▁won ▁silver ▁med als ▁in ▁the ▁ 4 ▁× ▁ 4 0 0 ▁m ▁relay ▁at ▁the ▁ 2 0 1 6 ▁South ▁Asian ▁Games ▁and ▁ 2 0 1 7 ▁Asian ▁Championships ; ▁his ▁team ▁placed ▁fourth ▁at ▁the ▁ 2 0 1 8 ▁Asian ▁Games . ▁ ▁References ▁ ▁Category : S ri ▁L ank an ▁male ▁spr inter s ▁Category : 1 9 9 1 ▁birth s ▁Category : L iving ▁people ▁Category : A th let es ▁( track ▁and ▁field ) ▁at ▁the ▁ 2 0 1 8 ▁Asian ▁Games ▁Category : S outh ▁Asian ▁Games ▁silver ▁medal ists ▁for ▁Sri ▁L anka ▁Category