A musical dictionary [electronic resource] : containing a full explanation of all the terms made use of in the historical, theoretical, and practical parts of music: Also Explanations of the Doctrines of Ancient Music, and Mathematical and Philosophical Inquiries into the Nature of Sound with regard to Intervals, Concords, and Discords: Together with A full Description of all the various Kinds of Musical Instruments (not contained in any other Dictionary). The whole carefully abstracted from the best Authors in the Greek, Latin, Italian, French, and English Languages, By James Grassineau, Gent. A New Edition, to which is added An Appendix, selected from the Dictionnaire de Musique of M. Rousseau: Containing All the New Improvements in Music since the first Publication of this Dictionary.