Replicate dinosaur sound questions

[Ezra Toranosuke <sherekhanjunior@hotmail.com>]

Hi again!
 
I'm sure y'all remember the sounds of the Parasaurolophus they replicated in 
New Mexico (I think it was there...). I can´t believe that no more similar 
experiments have been done! (Or have they?) I mean, there are good skulls of 
T-Rex and other dinos. Is it possible to at least theorize about what these 
animals sounded like from their skulls? 
 
Or is the lambeosaurine crest a special case? 
 
 
 
                                          
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