The product is a collection of 6 CDs featuring Cello sonatas by Anatoli Krustev and Boyan Vodenicharov (Piano). String Quartets, by The Medici quartet with Simon Rowland- Jones (Viola), Composer Ludwig van Beethoven. Released by Brilliant Classics, this collector's edition includes Beethoven's Cello sonatas and String Quartets, performed on the Cello and string. The dark green coloured CDs come in good condition,  making it a valuable addition to any classical music lover's collection.