you will be able to physically hear, you just won't hear it consciously. Or to say it another way, you won't be able to hear it, but your unconscious will respond to it.
"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt." Bertrand Russell
"By doing certain things certain results follow." A. Crowley, Book of Lies
"Dum spiro, spero." - Cicero