The Who kicked off a major American tour, facing the prospect of putting a large crew out of work, after John Entwistle was found dead in a Las Vegas Hotel room. After some debate they decided the show must go on and have toured ever since that day pretty steadily. They say that they have never sounded the same after Entwistle’s passing.
Read the full article here:
Flashback: The Who Perform Four Days After John Entwistle’s Death – Video | Rolling Stone
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I’m seeking info for sanctuary reverberation absorbsion material ( panels) and best placement.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?