Listen to Piano Concerto No. 3 in E-Flat Major, Op. posth. 75: Pt. 1 (Rehearsal) online. Piano Concerto No. 3 in E-Flat Major, Op. posth. 75: Pt. 1 (Rehearsal) is an Instrumental language song and is sung by Emil Gilels, Evgeny Svetlanov and Ussr State Symphony Orchestra. Piano Concerto No. 3 in E-Flat Major, Op. posth. 75: Pt. 1 (Rehearsal), from the album Emil Gilels Rehearsal (Live), was released in the year 1968. The duration of the song is 39:24. Download Instrumental songs online from JioSaavn.