The da capo aria is a musical form, which was prevalent in the Baroque era. It is sung by a soloist with the accompaniment of instruments, often a small orchestra. The da capo aria is very common in the musical genres of opera and oratorio. According to Randel, a number of Baroque composers (he lists Hasse, Handel, Porpora, Leo, and Vinci) composed more than a thousand da capo arias during their careers.
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