A highly authoritative Henle Urtext edition of Carl Philipp Emanuel Bach's Piano Sonatas as edited by Darrell M. Berg and Klaus Borner. Available here is the first volume of piano sonatas.Contents:WürttembergischeSonata b minor Wq 49 6 ( Level of difficulty: 6 ) Sonata E flat major Wq 52 1 ( Level of difficulty: 5/6 ) Sonata f sharp minor Wq 52 4 ( Level of difficulty: 5/6 ) Sonata f minor Wq 62 6 ( Level of difficulty: 5 )Sonata C major Wq 62 7 ( Level of difficulty: 5/6 ) Sonata (First Edition) G major Wq 65 12 ( Level of difficulty: 5/6 ) Sonata b minor Wq 65 13 ( Level of difficulty: 5/6 ) Sonata g minor Wq 65 17 ( Level ofdifficulty: 6 ) Sonata G major Wq 65 22 ( Level of difficulty: 5 ) Sonata d minor Wq 65 23 ( ABRSM Grade: 4 Level of difficulty: 4/5 ) Sonata (Harpsichord with 2 manuals) d minor Wq 69 ( Level of difficulty: 5 )