GUITAR – MIRIAM RODRIGUEZ BRÜLLOVÁ (SLOVAKIA)

VIOLONCELLO – PETR NOUZOVSKÝ (CZECH REPUBLIC)

VIOLONCELLO – JAN POSPÍŠIL (CZECH REPUBLIC)

VIOLA – KRISTINA FIALOVÁ NOUZOVSKÁ  (CZECH REPUBLIC)

VIOLIN – ALEXEJ BARCHEVITCH (GERMANY) – he will take part in 2021

VIOLIN – JURAJ ČIŽMAROVIČ (SLOVAKIA)

FLUTE – MÁTÉ PÁLHEGYI (HUNGARY)

FLUTE – KATALIN STEFULA KRAMARICS (HUNGARY)