(from the article `singing`) ...in the `mask,` that is, the cavities of the head, though this resonation did not affect the radiative power of the voice but only its volume. ... Exceptions to these general rules are found in the portamento, a gliding change between two pitch levels, of Western song, used sparingly as an ... ... Found on http://www.britannica.com/eb/a-z/p/21
Par·lan'doPar*lan'te adjective & adverb [ Italian ] (Mus.) Speaking; in a speaking or declamatory manner; to be sung or played in the style of a recitative. Found on http://www.encyclo.co.uk/webster/P/24