Playing Happy Birthday variations (Theme, Variation II (Haydn), Variation IV (Beethoven), Variation VI (Brahms), Variation X (Viennese style), Variation XIII (tango), Variation XIV (Hungarian style) - Kristóf Baráti, Lisa Batiashvili, Renaud Capuçon, Gerard Caussé, Nobuko Imai, Andrei Ionita, Brendan Kane, Alexandra Conunova, Vilde Frang, Ilya Gringolts, Leonidas Kavakos, Daniel Lozakovich, Vadim Repin, Dmitry Sitkovetsky, Kirill Troussov, Maxim Vengerov, Pinchas Zukerman, Blythe Teh Engstroem, Tabea Zimmermann, Mischa Maisky