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
Quadruple champion lightest divisions from Minimumweight (105 lbs), Light Flyweight (108 lbs), Flyweight (112 lbs) to Super Flyweight (115 lbs). Gamez did it on October 9, 2000. Some boxers have managed to win four titles and become Quintuple Champions. Quadruple champion In different sports when a sportsman wins four crowns, titles, medals, belts or another distinctions is called a Quadruple Champion. In boxing, a quadruple champion is a boxer who has won world titles in four different weight classes. The first ever man to earn that enormous distinction was Thomas Hearns on October 29, 1987. Hearns won his first four titles at