Ludwig van Beethoven was born in Bonn, Germany on 16th December, 1770 and he died in Vienna, Austria on 26th March 1827. He was a great composer, as well a distinguished pianist who composed 32 piano sonatas. One of the piano sonatas is this research topic. This research paper is written and designed for Piano Sonata No.8 in C minor, Op.13 "Pathetique" on today's Grand Piano. The objectives of this research paper are to examine the performance practice of Beethoven's early sonata on today's grand piano, to analyze the movements, to analyze the recording of pianists who played his piano sonata...