Mar 10, 2017 7:30 AM

Gallery: Remastering the One Beatles Live Album Finally Made It Great

Michael Ochs Archives/Getty Images
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The Beatles perform at the Hollywood Bowl on August 23, 1964 in Los Angeles, California.
Abbey Road Studios
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The legendary Abbey Road Studios in London, where nearly every Beatles song was recorded. The 2016 remastering of *Live at the Hollywood Bowl* was also done here.

Abbey Road Studios
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Engineer James Clarke was tasked with separating crowd noise from the vocals and instruments. This is a spectrogram of the persistent crowd noise throughout the concert.
Abbey Road Studios
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Some instruments, such as Paul McCartney's bass, were easier to separate from the crowd noise. The basslines occupied a lower frequency range than all the shrieking.

Abbey Road Studios
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This is a combined spectrogram of Paul McCartney's bass, Ringo's drums, and the crowd noise. There's a lot of overlap between the crowd and the drums, which made isolating Ringo's beats a chore.
Abbey Road Studios
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This spectrogram of Ringo Starr's drums shows how much of the recording's frequency range his beats inhabited.

Melville Photography
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Giles Martin (left) and James Clarke (right) worked together to breathe new life into the 50-year-old recordings.

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