▁October ▁ ▁Group ▁A ▁ ▁Group ▁B ▁ ▁Part icip ation ▁According ▁to ▁an ▁uno fficial ▁count , ▁ 3 3 ▁athlet es ▁from ▁ 2 5 ▁countries ▁participated ▁in ▁the ▁event . ▁ ▁References ▁ ▁J avel in ▁throw ▁Category : J avel in ▁throw ▁at ▁the ▁World ▁Athletics ▁U 2 0 ▁Championships <0x0A> </s> ▁The ▁E aso ▁Ch oir ▁is ▁a ▁Spanish ▁cho ir ▁founded ▁in ▁ 1 9 4 0 ▁in ▁San ▁Sebastian ▁as ▁a ▁ch oral ▁group ▁for ▁lower - range ▁male ▁voices , ▁to ▁spread ▁the ▁knowledge ▁of ▁Bas que ▁popular ▁music , ▁has ▁att ained ▁prest ige ▁in ▁its ▁interpretation ▁of ▁a ▁wide ▁range ▁of ▁ch oral ▁song . ▁▁▁ ▁After ▁si xty ▁years ▁of ▁un inter rupted ▁activity ▁- ▁yet ▁always ▁within ▁its ▁ ¨ am ateur ¨ ▁status ▁- ▁the ▁group ▁is ▁well ▁cons olid ated ▁and ▁much ▁involved ▁with ▁its ▁continu ing ▁musical ▁and ▁ch oral ▁formation . ▁ ▁Career ▁▁ ▁Its ▁career ▁began ▁by ▁taking ▁part ▁in ▁important ▁international ▁cont ests ▁such ▁as ▁L lang ole m ▁( B rit ain ), ▁L ille ▁( France ) ▁and ▁twice ▁in ▁Are z zo ▁( Ital y ), ▁being ▁awarded ▁the ▁first ▁prize ▁in ▁all ▁of ▁them . ▁Thanks ▁to ▁this ▁initial ▁success , ▁it ▁has ▁been ▁given ▁several ▁awards ▁so ▁far . ▁ ▁It ▁has ▁been ▁invited ▁to ▁the at res ▁all ▁over ▁the ▁world : ▁Teatro ▁Real ▁in ▁Madrid , ▁Pal au ▁in ▁Barcelona , ▁Her k ul essa al ▁in ▁Mun