👉 In music, an "orchestra" refers to a group of musicians who perform in a symphonic context, often at a concert hall or at a major concert venue. The term comes from the Latin word "oratorium," which means "assembly place." In this sense, orchestras are musical ensembles that gather together for performances and rehearsals. Orchestras typically consist of musicians who are trained in various instruments such as violins, cellos, trumpets, trombones