Sinfonia concertante, a musical genre originating in the 18th century, is a work featuring multiple solo instruments playing with an orchestra. This genre is often associated with the classical era, and composers such as Mozart and Haydn wrote notable sinfonia concertantes. Synonyms for sinfonia concertante include concerto gross, concerto for multiple instruments, and concerto for orchestra. Each of these synonyms emphasizes the prominent role of both the solo instruments and the accompanying orchestra in creating a harmonious and enjoyable musical composition. Regardless of what it's called, sinfonia concertante continues to be a popular musical form performed and enjoyed by musicians and audiences worldwide.