Labels:animal | box | clothespin | fence | toner OCR: Cross Section of Organ Pipe Sound produced by vibrating columns n 31 Valves are released and air rushes into the pipe; Air crosses the lip (opening) the pipe pud produces the chiff tone; AT then vibrates the column ar within the pipe produce pitch Different lengthrs 0 pipe produce pitches. The shape and material the pipe produce different timbres oroduced
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