original: An oratorio is a large musical composition including an orchestra, a choir, and soloists.
simplifications: An oratorio is a large musical composition with an orchestra, a choir, and soloists. An oratorio is a large work of music with an orchestra, a choir, and soloists. An orchestra, choir and soloists makes up an oratorio. An oratorio is a large musical composition. It includes an orchestra, a choir, and soloists. An oratorio is a large musical composition. It features an orchestra, a choir, and soloists. An oratorio is a large musical composition. It has an orchestra, a choir, and soloists. An oratorio is a large musical composition consisting of an orchestra, a choir, and soloists. An oratorio is a musical piece that features an orchestra, a choir, and soloists. An oratorio is a large scale musical which includes an orchestra, a choir, and soloists. An oratorio is a large musical work that has an orchestra and singing.