A cappella
Music performed a cappella ( , , ; ), less commonly spelled a capella in English, is music performed by a singer or a singing group without instrumental accompaniment. The term ''a cappella'' was originally intended to differentiate between Renaissance polyphony and Baroque concertato musical styles. In the 19th century, a renewed interest in Renaissance polyphony, coupled with an ignorance of the fact that vocal parts were often doubled by instrumentalists, led to the term coming to mean unaccompanied vocal music. The term is also used, rarely, as a synonym for ''alla breve''. Provided by Wikipedia-
1Artigo na mídia bibliotecaEMBRAPA
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2Digital revistaSCIELO
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3by Florez González, Lilian, Capella A., Juan, Tobon B., Isabel C., Bravo C., Gustavo A., Rengido, Beatriz
Published 1993-07Informe de investigación bibliotecaMINCIENCIAS CO -
4by Jongman, R.H.G., van Eupen, M., Makaske, B., van Rooij, S.A.M., Groenveld, G.H., Querner, E.P., Jonker, R.N.J., Padovani, C., Tomás, W., Kawakami de Resende, E., Capella, A., Soriano, B., Galdino, S., Salis, S., Mosselman, E., van Kappel, B., Ververs, M., Stolker, C., Haasnoot, M., Maathuis, B., Boerboom, L., Hein, S., Berends, H.A.External research report bibliotecaWUR NL