At the dawn of the 19th century Beethoven struck out on new paths with his two opus 27 sonatas, each of which he called a Â"sonata quasi una fantasiaÂ". Both of them, in particular Sonata no. 2 which was later nicknamed the Â"Moonlight SonataÂ", were destined for immortality. Jonathan Del Mar, second to none in his knowledge of BeethovenÂ's music,.has obtained new readings in this fastidious scholarly-critical edition of these well-known pieces. Spacious engraving and practical page turns ensure optimum pleasure for every pianist. A meticulously compiled Critical Commentary provides information on alternative readings and editorial decisions.