Yakov Zak plays Debussy Children’s Corner

Yakov Zak playing Debussy’s Children’s Corner. This is ripped from a 1950s LP. The photo is from 1937 when Egon Petri visited Moscow. To the right of Yakov Zak are Rosa Tamarkina and Alexander Goldenweiser; seated are Tatiana Goldfarb, Heinrich Neuhaus, Nina Yemelyanova and Egon Petri. Does anyone know who is top left? Timing below: 00:00 - Doctor Gradus ad Parnassum 01:59 - Jimbo’s Lullaby 06:07 - Serenade for the Doll 08:41 - The Snow is Dancing 11:19 - The Little Shepherd 13:43 - Golliwogg’s Cakewalk Я