Photo credits

De Maria by RESIA
Williams by Benjamin Ealovega
Rizzi by RESIA
Prometeo Quartett by RESIA
Dorel Golan by Sergej Demyanchuk
Badke Quartet by Tas Kyprianou.
Rachel Kolly d'Alba M. Attila 2009 / Tom Barnes for Warner Classics / Raphael Zubler
Christoph Sietzen by Daniel Delang + Patrick Marek
Saskia Giorgini Allad Willemse
Alexandra Sostmann by Marco Borggreve & copyright Kaupo Kikkas
Kadouch by balazs borocz

L. Bernstein © Picture alliance/keystone :STR

R. Strauss © Picture alliance/akg-images