Beethoven's middle period, roughly from 1802 to 1812, reveals a distinct development away from the styles of Joseph Haydn and Wolfgang Amadeus Mozart. During this time, he pursued new and independent compositional paths. After arriving in Vienna in 1792, Beethoven initially mastered the Viennese style and began to make it his own. His works from 1795 onward were larger in scale than usual, often employing a scherzo instead of a minuet and trio, and featuring dramatic uses of extreme dynamics and tempi, as well as chromatic harmony.
In April 1803, he premiered his Third Piano Concerto, appearing as soloist himself. This performance also included the Second Symphony and the oratorio "Christ on the Mount of Olives." Following his studies in Vienna under Haydn, where he also engaged with the works of the recently deceased Mozart, Beethoven gradually expanded the scope and ambition of his compositions.
Important works from his early creative period include the first and second symphonies, the six string quartets Opus 18, the first two piano concertos, and the first twenty piano sonatas, including the famous 'Pathétique' Sonata, Op. 13. As the dominant musical figure in the transitional period between the classical and romantic eras, Beethoven developed a distinctive style that had a lasting impact on music history.