Arcangelo Corelli
He was an Italian composer, a violinist, and a teacher. He studied music in a famous musical center in Bologna, the same place where Bach studied. He was one of the major factors that got the violin as popular as it is. He would perform on European concerts and introduced the violin to the general public. His music was some of the most famous in Europe at that time In these concerts he loved to perform Concerto Grosso, and through these multiple performances Corelli helped make Concerto Grosso such a key role in the Baroque era music. All of his musical creations are in a 6 opus numbers. Basically he was just a really awesome guy that greatly influenced the way the baroque era was.