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Voices of Music performs “La Cupis,“ a movement from Rameau's Cinquième Concert. Live, HD video from the the “Let's Dance“ concert in San Francisco, February, 2012. An anonymous manuscript, titled Concerts en Sextuors and probably dating from the 1750s, contains an interesting arrangement of six of Rameau's works scored for a group of six strings. In some cases, solo works for harpsichord are used as the model, in others, the music is sourced from Rameau's ensemble compositions for harpsichord, violin (or flute) and viola da gamba from 1741, Pièces de clavecin en concert. What is unusual about this manuscript is that the virtuosic parts for the harpsichord are given to the string instruments: the arranger had a canny knowledge of Rameau's harmonic style, and was able to skillfully integrate extended harmonic sequences into the score. The ms. comes from the library of Jacques-Joseph-Marie Decroix, and although there is no evidence to support the theory
