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 -Piano Sonata No.21 in C major , Beethoven- The Piano Sonata No.21 in C major, Op.53, known as the Waldstein, is one of the three most notable sonatas of his middle period. It was completed in summer, 1804, and surpassed in Beethoven's previous Piano sonatas.  Thus, as a key early work of Beethoven's heroic decade, The Waldstein set a standard for the piano composition in grand manner. The name of this Sonata was derived from his dedication to his close friend and patron : Count Ferdinand Ernst Gabriel von Baldstein. Structure The Waldstein has three movements : 1. Allegro con brio (in C major) 2. Introduzione : Adagio Molto (in F major) 3. Rondo. Allegretto moderato - Prestissimo (in C major) First, The first movement is in Sonata form and common time. It has a repeated exposition with two subject groups , a development section, a coda, etc.  Also, the movement opens with repeated pianissimo chords in a straightforward but anxious rhythm. Next, the second movement (intr...

 -The Violin Sonata No.8 in G major, Op.30, No.3 (Beethoven)- The Violin Sonata No.8, the third piece of his Opus 30 set, was written between 1801 and 1802.  It was published in May 1803, and dedicated to Tsar Alexander I of Russia.  Thus, Alexander gave Beethoven a diamond when they met at Vienna, 1814. Structure The Sonata has three movements: 1. Allegro Assai 2. Tempo di minuetto (Molto moderato e grazioso) in E flat major 3. Allegro Vivace Overall, This sonata is characteristic of early/middle Beethoven because of its solid Sonata structure.  Also, It begins to get adventurous in syncopation with the extraordinary off beat sforzandi. In particular, in the middle of Allegro Assai,  After The chordial transition theme is ending with the bar 1, the second unexpected subject in D minor continues without the rest.  Also, the piano is leading with stormy 4-bar theme, and the Violin is accompanying with double-stopped notes. Thus, the unsettled atmosphere cont...