[Flight attendant telling everyone to fasten their seat belts, etc.]
Then the sound of an airplane taking off]

from Breaking Benjamin – Intro Lyrics on Rap Genius

Meaning

Benjamin Burnley (frontman for Breaking Benjamin) has a terrible fear of flying, or Pteromerhanophobia.

The intro track consists of the sounds during the takeoff of an airplane because of this, hence the name of the album, Phobia

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