Keyed trumpet

Keyed trumpet (Fr.: trompette à clefs; Ger.: Klappentrompete; It.: tromba a chiavi), trumpet fitted with keys, first devised by the Vienna court trumpeter Anton Weidinger and made by Joseph Felix Riedl of Vienna in 1801. Shaped like a natural trumpet, the new version was fitted with 4 closed keys, later with 6. Gioacchino Rossini introduced it in his Guillaume Tell (1829), and it became pop. in Austrian and It. military bands during the first half of the 19th c. The brevity of its success was…