Baroque Period  During the Baroque period of orchestral music, the  leader of the group was usually the harpsichordist or  violinist in the group.  Baroque musicians also had a lot of work to  complete. For ex. Composing new music for weekly  concerts, and rehearsing and managing the  orchestra,they also had to take care of the instruments  and the music library.    Antonio Vivaldi was a young violinist, around the?   age of 15 he wrote his first opera Ottone in Vila.  People love Vivaldi’s works. Vivaldi composed a few  more opera but people did not like them. Vivaldi is  known for his orchestral works the Four Seasons.