Brandenburg Concertos been debated what instrument Bach had in mind for the "fiauti d'echo" parts. Nowadays these are usually played on alto recorders, although traverse flutes are sometimes used instead: it is also theorized Bach's original intent may have been the flageolet. In some performances, such as those conducted by Nikolaus Harnoncourt, the two recorders are positioned offstage, thus giving an "echo" effect. Bach adapted the 4th Brandenburg concerto as a harpsichord concerto, BWV 1057. Title on autograph score: Concerto 5 à une Traversiere, une Violino principale, une Violino è una Viola in ripieno, Violoncello, Violone è Cembalo concertato. "Concertino": harpsichord, violin,
Organ concertos, Op. 7 (Handel) Organ concertos, Op. 7 (Handel) The Handel organ concertos Op 7, HWV 306–311, refer to the six organ concertos for organ and orchestra composed by George Frideric Handel in London between 1740 and 1751, published posthumously in 1761 by the printing company of John Walsh. They were written for performance during Handel's oratorios, contain almost entirely original material, including some of his most popular and inspired movements. Although a complete version of the first set of organ concertos Op.4 appeared in Handel's lifetime in 1738, many of the concertos of the posthumous Op.7 set have missing movements and sections, where