▁of ▁the ▁feder ation . ▁ ▁Member ▁organizations ▁by ▁year ▁of ▁membership ▁▁ 1 9 5 7 ▁( Found ing ▁members ) ▁▁ ▁AR D ▁International ▁Music ▁Compet ition , ▁Mun ich ▁▁ ▁Budapest ▁International ▁Music ▁Compet ition , ▁Budapest ▁▁ ▁Fer ru c cio ▁Bus oni ▁International ▁P iano ▁Compet ition , ▁Bol z ano ▁▁ ▁Fr éd éric ▁Ch op in ▁International ▁P iano ▁Compet ition , ▁Wars aw ▁▁ ▁Gene va ▁International ▁Music ▁Compet ition , ▁Gene va ▁▁ ▁Gian ▁Batt ista ▁Vi otti ▁International ▁Music ▁Compet ition , ▁Ver cel li ▁▁ ▁Henry k ▁Wien ia w ski ▁International ▁Vi olin ▁Compet ition , ▁Poz na ń ▁▁ ▁Mar guer ite ▁Long ▁- ▁Jacques ▁Th ib aud ▁International ▁P iano ▁and ▁Vi olin ▁Compet ition , ▁Paris ▁▁ ▁Nic col ò ▁P agan ini ▁International ▁Vi olin ▁Compet ition , ▁Gen oa ▁▁ ▁Prag ue ▁Spring ▁International ▁Music ▁Festival ▁▁ ▁Queen ▁Elisabeth ▁International ▁Music ▁Compet ition , ▁Br uss els ▁▁ 1 9 5 8 ▁▁ ▁Maria ▁Can als ▁International ▁P iano ▁Compet ition , ▁Barcelona ▁▁ ▁Bes an çon ▁International ▁Compet ition ▁for ▁Young ▁Con duct ors ▁▁ ▁International ▁Be eth oven ▁P iano ▁Compet ition ▁Vienna ▁▁ ▁International ▁singing ▁competition ▁of ▁Toul ouse ▁▁ 1 9 5 9 ▁▁ ▁International ▁V ocal ▁Compet ition ▁ ´ s - H ert ogen bos ch ▁▁ 1 9 6 1 ▁▁ ▁Robert ▁Sch umann ▁International ▁Compet ition ▁for ▁P ian ists ▁and ▁Sing ers , ▁Z wick au ▁▁