François Francoeur was a French composer and violinist. Francoeur has implemented several technical developments, including many bowings, leaps, triple and four music stages, and playing in all first five positions. Francoeur was among the leading French violinist-composers of the eighteenth century, born into a well-known family of composers and string players. Francoeur, whose music peers celebrated as 'graceful,' incorporated several technological developments in his violin sonatas, including multiple bows, jumps, triple and quadruple stops, as well as performing in all the top five positions. Furthermore, in cooperation with François Rebel, the renowned composer-violinist Jean-Fery Rebel, Francoeur wrote operas.