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 Communist Party USA and African Americans did not establish any lasting relations with the Black Panther Party, which was largely destroyed by the early 1970s, and did not recruit any significant number of members from those organizations or win them to its politics. The party maintained some standing in the black community through its former allies, including Coleman Young of Detroit and Gus Newport in Berkeley, California, who were elected to office in the 1970s. Archives and articles Books The Communist Party USA and African Americans The Communist Party USA, ideologically committed to foster a Socialist revolution in the United States, played a significant role in