The Inventions, Op. 2, are a set of piano pieces by André Tchaikowsky; each invention is a musical portrait of a friend or colleague of Tchaikowsky's, and No. 3 was subtitled "To Ilona Kabos" [REF].
In 1968 Serge Tcherepnin wrote a piano piece for Kabos, called simply "For Ilona Kabos".