Zee like sound hear from around throttle body

#1
Guru that is a fairly loud zeeee like sound come from my engine bay. Hard to trace the source for sound like around the throttle bay.. It also more louder when I hear it from the right wheel arc area...

Anyone have experiences..

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#2
Could be these few possibilities - power steering pump, plastic serpentine pulley bearings or even a vacumn leak
Does the sound gets louder when u rev the engine?
 

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