I think I found the singing voice what Gilbert has....<br/><br/><div class="spoiler_container"><div class="spoiler_header" onclick="hideSecond (this);" role="button">Gilbert singing</div><div class="spoiler_body">gilbert character song~pandora hearts (http://www.youtube.com/watch?v=dIbzHbiTwMA#)<br/></div></div><br/>As skilled vocalist/oratory guy he is capable change his voice as Tolbar to more rougher and weathered but in the link is Gilbert's natural voice. Also most of all; I stumbled this on accident and I checked it out as it is characther song for char called Gilbert  :o