ron perlman is a singer
the three main registers described as head middle mixed and chest voice are described as having a rich timbre because of the overtones due to the sympathetic resonance within the human body
 controversy has also arisen due to cases where pop singers have been found to be lipsyncing to a prerecorded recording of their vocal performance or in the case of the controversial act milli vanilli lipsyncing to tracks recorded by other uncredited singers