In an orchestra, musicians are assigned specific roles that contribute to the overall sound and performance. The main sections include strings, woodwinds, brass, and percussion. Each section has its own instruments, such as violins, flutes, trumpets, and timpani, which work together to create harmony and texture in the music. The conductor leads the orchestra, guiding the tempo and dynamics while ensuring all musicians play in sync. Additionally, there are often soloists who perform prominent parts, showcasing their skills. Together, these roles create a cohesive musical experience for the audience.