▁court ▁composer , ▁Simon ▁le ▁Bre ton . ▁ ▁Another ▁of ▁his ▁r onde aux , ▁Le ▁sou venir ▁de ▁vous ▁me ▁t ue , ▁was ▁exceed ingly ▁famous , ▁and ▁copies ▁of ▁this ▁piece ▁were ▁widely ▁dis sem in ated ▁in ▁Europe . ▁ ▁All ▁of ▁Mort on ' s ▁surv iving ▁music ▁is ▁in ▁French , ▁not ▁surprising ▁since ▁it ▁all ▁dates ▁from ▁his ▁time ▁in ▁Burg und y . ▁ ▁Mel od ically ▁it ▁is ▁somewhat ▁simpler ▁than ▁the ▁music ▁of ▁his ▁contempor aries ▁such ▁as ▁Hay ne ▁or ▁Antoine ▁Bus no is . ▁ ▁The ▁music ▁the or ist ▁and ▁writer ▁Johannes ▁T in ctor is ▁wrote ▁g low ingly ▁of ▁Mort on , ▁mention ing ▁that ▁he ▁was ▁" world - f am ous ". ▁ ▁Even ▁though ▁much ▁of ▁his ▁music ▁must ▁have ▁been ▁lost — including ▁any ▁sacred ▁music — he ▁seems ▁to ▁have ▁been ▁influ ential ▁on ▁other ▁compos ers ▁at ▁the ▁court ▁of ▁Burg und y , ▁and ▁several ▁of ▁his ▁compos itions ▁were ▁used ▁as ▁source ▁material ▁for ▁masses ▁by ▁later ▁compos ers , ▁including ▁Jos quin ▁des ▁Pre z . ▁ ▁Works ▁ ▁Att ribution ▁considered ▁secure ▁ ▁C ous ine ▁trop ▁vous ▁ab us és ▁( ron de au , ▁ 3 v v ) ▁ ▁Il ▁sera ▁pour ▁vous ▁con b atu / L ' homme ▁arm é ▁( qu od lib et ; ▁r onde au , ▁ 3 v v ; ▁in ▁another ▁source ▁a ▁fourth ▁voice ▁is