Polyphony and monophony in instruments harpejji and the Chapman stick). Multiphonics can be used with many regular wind instruments to produce two or more notes at once, although this is considered an extended technique. Explicitly polyphonic wind instruments are relatively rare, but do exist. The standard harmonica can easily produce several notes at once. Multichambered ocarinas are manufactured in a number of varieties, including double, triple, and quadruple ocarinas, which use multiple chambers to extend the ocarina's otherwise limited range, but also enable the musician to play more than one note simultaneously. Harmonic ocarinas are specifically designed for polyphony, and in these instruments the range
The Pickwick Papers (1952 film) The Pickwick Papers (1952 film) The Pickwick Papers is a 1952 British black-and-white film based on the Charles Dickens classic. Both screenplay and direction were by Noel Langley. The film premiered at the Gaumont Cinema at Haymarket in London on 14 November 1952. In 1954, the Soviet Union paid £10,000 for the distribution rights, and it became the first British film to be shown in the Soviet Union after World War II, premiering on 29 July 1954 in a number of cities with a dubbed soundtrack. The film was followed a month later by a Russian reprint of Dickens's book,