Auditory illusion

The first video is the song "Stayin' Alive", where every note is played on the piano, at first it may seem that this is just a set of delusional notes.
The illusion is that you can hear the vocals, although there is not even one. The second video is for comparison.
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@QuiteInterestingInformation

"Taxpayer funding also goes to radical left “non-profit” organizations. The funds going to leftist activists is so overwhelming that it is almost a folly to attempt to organize it all. Numerous “philanthropic” organizations have billions of dollars, all dedicated to promoting a globalist agenda often by giving money to the hundreds of thousands of non-profits (largely left) in America... The Open Society Foundation’s endowment is $19.59 billion, the Ford Foundation’s endowment is $12.4 billion, the MacArthur Foundation’s endowment is $7 billion, the Andrew W. Mellon Foundation’s endowment is $6.1 billion, the Harvard endowment fund is $40.9 billion."

Renee Nal (2021). Know Your Enemy: Who is Behind the Communist Revolution?

"Communists Were Uncomfortable With Chinggis Khaan"

"Since Mongolia's democratic revolution in 1990, Chinggis Khaan has emerged as a potent symbol of national pride and Mongolia's former world-shaking power, and as a unifying figure above the economic difficulties and petty politics of the current day... One year after Mongolia was admitted to the United Nations in 1961, Mongolia's 2nd ranking Communist leader authorized a stamp series, small monument, and historical seminar to commemorate the 800th anniversary of the great khan's birth. The Soviet Union reacted with fury; Russians did not have fond memories of the Mongol empire, and saw any positive reference to Chinggis Khaan as a dangerous sign of Mongolian nationalism. The contrite MPRP deposed the leader and exiled him internally. He was later hacked to death with an axe. Scholars of Mongolian history were imprisoned and some secretly executed." (US State Department)