at ▁H uss ain ▁Khan ▁and ▁Y un us ▁H uss ain ▁Khan . ▁ ▁Dist ingu ishing ▁characteristics ▁The ▁gay aki ▁( style ▁of ▁singing ) ▁of ▁the ▁A gra ▁G har ana ▁is ▁a ▁bl end ▁of ▁k h ay al ▁gay aki ▁and ▁d h ru pad - d ham ar . ▁In ▁training , ▁both ▁the ▁k h ay al ▁and ▁d h ru pad ▁components ▁run ▁hand ▁in ▁hand ▁and ▁are ▁not ▁taught ▁in ▁an ▁isolated ▁fashion . ▁This ▁is ▁obvious ▁from ▁the ▁method ▁of ▁singing ▁notes ▁of ▁the ▁A gra ▁G har ana ▁which ▁dem ands ▁that ▁the ▁projection ▁of ▁voice ▁be ▁more ▁force ful ▁and ▁vol umin ous ▁than ▁usually ▁encountered ▁in ▁k h ay al ▁gay aki , ▁as ▁well ▁as ▁utter ing ▁notes ▁open ▁and ▁bare ▁( without ▁grace ▁notes ). ▁ ▁Most ▁k h ay al ▁performances ▁by ▁artists ▁of ▁A gra ▁g har ana ▁commence ▁with ▁the ▁nom - tom ▁al a ap , ▁a ▁tradition ▁unique ▁to ▁the ▁A gra ▁g har ana . ▁D ifferent ▁fac ets ▁of ▁a ▁ra ga ▁are ▁displayed ▁with ▁the ▁help ▁of ▁band ish ▁while ▁the ▁ra ga ▁is ▁elabor ated ▁using ▁vista ar . ▁ ▁The ▁g har ana ▁adopt s ▁a ▁kind ▁of ▁voice ▁production ▁which ▁re lies ▁on ▁a ▁fl atter ▁version ▁of ▁the ▁v owel ▁sound ▁" a ", ▁which ▁makes ▁its ▁music ▁agree able ▁to ▁rh yth mic ▁variations ▁and ▁is ▁best ▁su ited ▁for ▁a ▁deep ▁mascul ine ▁voice