Instruct: Classify a given review as either positive or negative.
Query: Simply indispensible - buy this while you can!

These early performances of two of the masterpieces in concerto form created during the 20th century are both outstanding. The Oistrakh rendering of the First Violin Concerto goes deeper than any others that I've heard, either live or on disc (good as Sitkovetsky, Mordkovitch and Repin are in this work). Moreover, the sound is astonishingly good - very immediate and true to life, if not to the hi-fi standards of the present day. The Rostropovich reading of the Cello Concerto is as definitive as we are ever likely to get. Indispensible performances for any lover of Shostakovich.