Yaser Bakhtiari, better known by his stage name Yas, is an Iranian rapper. Yas is the first rapper authorized to perform by the Iranian government, and became one of the most popular rappers in Iran. Yas, who raps in Persian, states he was heavily influenced as a young man by Tupac Shakur albums brought back to Iran by his father, as well as Persian poetry. On December 21, 2011 Yas was chosen by the voters as the Artist of the Week in MTV IGGY entitled "Tehran’s Hard-Hitting MC". Yas has been interviewed by the media, including CNN and BBC.