Bobby says that some musicians have a better sense of time compared to others. All humans have a slightly imperfect sense of time. For example, when playing a click, a musician may be ahead by 30 milliseconds, and later on gradually drop to being 30 milliseconds behind. The cycles in which the musician is slightly ahead or behind repeats over and over again.
An interesting read:
When Your Internal Clock Is Off
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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?