The culprit appears to be YouTube's hapless and hostile contentID system, which automatically matches portions of different videos, makes stupid conclusions about intellectual property, then invites corporate customers to "claim" and monetize other people's work as their own.
My ten hour white noise video now has five copyright claims! :) pic.twitter.com/dX9PCM1qGx
— Sebastian Tomczak (@littlescale) January 4, 2018
Owning white noise today are "White Noise Sleep Therapy", "El Muelle Records", "Rachel Conwell" and "Silent Knights."