Execution (German Vortrag) as a term from rhetoric began to be taken up in musical lexicography and instrumental music tutors from the mid-18th century. In the first place, according to Johann Mattheson and Johann Joachim Quantz, the oratorical system was to be imitated in execution (Rhetoric 4.). The article on Vortrag contributed by Johann A.P. Schulz to Sulzer's Allgemeine Theorie der Schönen Künste (1774), Jean-Jacques Rousseau's Dictionnaire de musique (1767), and Daniel Gottlob Türk's Klavierschul…