With an introduction by Misha Donat and notes on performance practice by Jonathan Del Mar and Misha Donat. Scholarly-critical performance edition at the cutting edge of scholarship. Informative introduction and notes on period performance practice (Ger/Eng). Detailed Critical Commentary (Eng). 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 #sonata quasi una fantasia#. Both of them, in particular Sonata no. 2 which was later nicknamed the #Moonlight Sonata#, were destined for immortality. Jonathan Del Mar, second to none in his knowledge of Beethoven#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.