I can't download this at work, but...if he is the Orthodox guy who does reggae style hip-hop, I did see a clip somewhere with him on it, and was really impressed, although I don't usually listen to that type of music. 

Matityachoo is a Hebrew first name.  The ch sound is hard, emanates from the back of the throat and palate.  I could do it for you, if there was a way to post a sound byte here.