Arcangelo Corelli (1653-1713) was an influential Italian violinist and composer of the Baroque era, primarily known for his contributions to the development of instrumental music, particularly for strings. Corelli's work is characterized by its lyrical melodies, clear harmonic structure, and innovative use of the violin, which helped elevate the instrument's status within classical music. His notable works include the "Concerti Grossi, Op. 6," a collection of twelve concertos that exemplify the concerto grosso form, and "Sonate da chiesa" and "Sonate da camera," which are pivotal in the development of chamber music. Corelli's music emphasized unity and balance, setting the standard for later composers. Corelli's impact on music is profound; he is often credited with establishing the foundations of modern violin technique and influencing subsequent generations of composers, including Johann Sebastian Bach and Antonio Vivaldi. His emphasis on melody and harmony laid the groundwork for the evolution of the Baroque style and beyond, making him a key figure in the history of Western classical music.