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BBFCinsight publication date 11/10/2012. Note: The following text may contain spoilers. PITCH PERFECT is a comedy drama about bitter rivalries in the world of competitive American college 'a capella' singing. It is rated 12 for moderate language and frequent moderate sex references.
The tone played here has a frequency of 262 Hz. And this tone here has a frequency of 440 Hz. The first one was a Middle C, and the second was the A above Middle C, or Concert A. In music, the pitch of a certain note is defined as the perception of frequency. Hearing musical pitch helps us to put different sounds in order from high to low frequency.