Orchestras also play with instrumental soloists in concertos. More complex chants are sung by trained soloists and choirs. It was written for SATB chorus with soloists (soprano and muezzin) and a symphonic orchestra. The work is scored for five vocal soloists, chorus and orchestra. Anton Bruckner composed a Magnificat for soloists, choir, orchestra, and organ. The movement alternates passages for soloists and full orchestra. The Italian style cultivated orchestral masses including soloists, chorus and obbligato instruments. It is scored for orchestra, speaker, soloists, and male chorus. The Trondheim Symphony Orchestra and the Trondheim Soloists are well-known. It is a true concerto movement, with exchanges between soloists and orchestra. The score calls for tenor and alto soloists. The choir and other soloists join gradually. The orchestra consisted of 25 members and a noted array of soloists. Two duets are sung by a pair of soloists representing two simultaneous speakers. Other concerts are designed to highlight talented soloists or groups of performers in college.