▁Mart igny ▁▁ ▁Verd ian ▁Vo ices ▁International ▁Sing ing ▁Compet ition , ▁Bus set o ▁▁ 1 9 7 7 ▁▁ ▁Van ▁C lib urn ▁International ▁P iano ▁Compet ition , ▁Fort ▁W orth ▁▁ 1 9 7 8 ▁▁ ▁Sydney ▁International ▁P iano ▁Compet ition ▁▁ ▁V ac lav ▁Hum l ▁International ▁Vi olin ▁Compet ition , ▁Zag reb ▁▁ 1 9 7 9 ▁▁ ▁É p inal ▁International ▁P iano ▁Compet ition ▁▁ 1 9 8 0 ▁▁ ▁Fritz ▁Kreis ler ▁International ▁Vi olin ▁Compet ition , ▁Vienna ▁▁ ▁The ▁Gr zeg or z ▁F itel berg ▁International ▁Compet ition ▁for ▁Con duct ors , ▁Kat ow ice ▁▁ ▁London ▁String ▁Quart et ▁Compet ition ▁▁ ▁Ludwig ▁Spo hr ▁International ▁Vi olin ▁Compet ition , ▁Fre ib urg ▁▁ ▁William ▁Kap ell ▁International ▁P iano ▁Compet ition , ▁College ▁Park ▁▁ 1 9 8 1 ▁▁ ▁Bor de aux ▁International ▁String ▁Quart et ▁Compet ition ▁▁ ▁Carl ▁N iel sen ▁International ▁Music ▁Compet ition ▁( vi olin , ▁organ , ▁fl ute , ▁clar inet ), ▁O den se ▁▁ ▁Cleveland ▁International ▁P iano ▁Compet ition ▁▁ ▁Dr . ▁Luis ▁Sig all ▁International ▁Music ▁Compet ition ▁( p iano , ▁viol in , ▁c ello , ▁guitar , ▁singing ), ▁Vi ña ▁del ▁Mar ▁▁ ▁M iche le ▁Pitt al uga ▁International ▁Class ical ▁Gu itar ▁Compet ition , ▁Aless and ria ▁▁ 1 9 8 2 ▁▁ ▁Ver vi ers ▁International ▁Sing ing ▁Compet ition ▁▁ 1 9 8