Soundtrack - pitch perfect - amazon. music, Universal music enterprises is proud to announce the soundtrack album of exclusive a cappella mash-ups and medleys from universal pictures' pitch perfect, a musical comedy about the cutthroat world of college music competitions.. Octave - wikipedia, In music, an octave (latin: octavus: eighth) or perfect octave is the interval between one musical pitch and another with half or double its frequency.it is defined by ansi as the unit of frequency level when the base of the logarithm is two.. Dolmetsch online - music theory online - pitch, 1: pitch. we reproduce below ellis' famous table entitled history of musical pitch which demonstrates the various pitches used at different times in different places.. why did pitch vary so much even during the same period in history?.
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