Planchet planchet is struck. After striking, it becomes a coin and is no longer a planchet. Occasionally, a planchet will escape the mint without having been struck. This is a blank planchet error, and is usually worth a few dollars for modern coins. Occasionally, blank planchets can be rare and valuable, such is the case for Morgan Dollar blank planchets, although authentication is highly recommended for such pieces as they would be fairly easy to counterfeit. Planchet A planchet \ˈplan-chət\ is a round metal disk that is ready to be struck as a coin. An older word for planchet is flan.
Eight Pieces for Four Timpani Eight Pieces for Four Timpani Eight Pieces for Four Timpani is a collection of short pieces by Elliott Carter for solo timpani – four drums played by one musician. Six of the pieces were composed in 1950. Two new pieces were added in 1966, and the rest were revised in collaboration with percussionist Jan Williams. Carter wrote the pieces as studies in tempo modulation and the use of four-note chords. They are a collection rather than a suite, as Carter suggested no more than four be performed at once. The pieces make heavy use of extended techniques, including playing with