An orchestra uses all families of instruments. While the violins are placed at the frontier, strings are usually more centre stage. An orchestra is a group of musicians and instrumentalists who are led by a conductor or music director to perform music on stage.
Some bands may also use string instruments in their music. These are called symphonic bands. However, the section of string instruments in bands generally includes just the cello, bass, piano, or harp. A band is a group of vocalists and musicians who play music using a comparatively smaller set of instruments than orchestras