Pierre Luboshutz
However , he then took up the piano , and followed his older sisters Lea Luboshutz ( violin ) and Anna ( cello ) to the Moscow Conservatory , where he studied under Konstantin Igumnov , and from which he graduated in 1912 receiving a silver medal . 
<triplet> Lea Luboshutz <subj> Moscow Conservatory <obj> educated at <triplet> Konstantin Igumnov <subj> piano <obj> instrument <subj> Moscow Conservatory <obj> educated at