▁or chestra , ▁given ▁with ▁ 6 0 0 ▁participants ▁in ▁December ▁ 1 9 2 7 ▁at ▁Mann heim , ▁Germany . ▁ ▁Harm on ically ▁conserv ative , ▁he ▁wrote ▁in ▁a ▁late ▁Rom antic ▁style , ▁often ▁col oured ▁by ▁Bre ton ▁folk ▁music , ▁particularly ▁in ▁his ▁instrument al ▁music . ▁He ▁was ▁a ▁member ▁of ▁the ▁short - l ived ▁Association ▁des ▁Compos ite urs ▁Bret ons ▁and ▁often ▁participated ▁in ▁Bre ton ▁cultural ▁events ▁in ▁Paris . ▁ ▁He ▁was ▁awarded ▁the ▁Prix ▁Paul ▁D uk as ▁in ▁ 1 9 4 5 . ▁He ▁was ▁a ▁personal ▁friend ▁of ▁a ▁number ▁of ▁other ▁Bre ton ▁compos ers ▁as ▁well ▁as ▁of ▁compos ers ▁Ernest ▁Blo ch ▁and ▁Sw an ▁H enn ess y ▁and ▁the ▁writer ▁Rom ain ▁Rol land . ▁ ▁Selected ▁works ▁ ▁V ocal ▁music ▁ ▁La ▁Rose ▁et ▁les ▁pap ill ons ▁( 1 8 9 8 ), ▁song ▁ ▁Dieu ▁vain que ur , ▁Op . ▁ 1 5 ▁( 1 9 1 6 ) ▁for ▁sol i , ▁ch orus , ▁organ , ▁or chestra ▁ ▁Dans ▁la ▁maison ▁( 1 9 2 1 ), ▁songs ▁ ▁H uit ▁ch ants ▁int imes ▁( 1 9 2 1 ), ▁songs ▁ ▁É g log ue ▁( 1 9 2 1 , ▁pub . ▁ 1 9 2 2 ), ▁for ▁voice , ▁fl ute , ▁piano ▁ ▁G eth s é man i ▁( 1 9 2 1 , ▁pub