Piano is a keyboard stringed musical instrument with a percussion (hammer) method of sound production, created specifically for indoor music playing in small rooms. The piano is a smaller version of the piano in which the strings, soundboard and mechanical part are arranged vertically rather than horizontally
Ludwig van Beethoven's Piano Concerto No. 1 in C major, Op. 15, was written in 1795, then revised in 1800. It was possibly first performed by Beethoven at his first public concert in Vienna on 29 March 1795.