The Piano Sonata No. 19 in G minor, Op. 49, No. 1, and Piano Sonata No. 20 in G major, Op. 49, No. 2, are short sonatas by Ludwig van Beethoven, published in 1805. Both works are approximately eight minutes in length, and are split into two movements. These sonatas are referred to as the Leichte Sonaten to be given to his friends and students.
Mae'r testun uchod ar gael o dan drwydded y CC BY-SA 3.0. Mae'n defnyddio deunydd o erthygl Wicipedia "Piano Sonata No. 20 (Beethoven)".