Description:Mumbai, November 07 (ANI): US first couple Barack and Michelle Obama hit the dance floor to a foot-tapping Marathi folk number,joining a group of students at the Holy Name School to participate in symbolic Diwali festivities on Sunday.The US President and the First Lady's engagement for the day started at the Holy Name High School in upmarket Colaba locality in south Mumbai where a group of students entertained them with a cultural extravaganza.The cheering and clapping Obamas seemed so charmed by the tune and the performance of the children during the Koli dance, that they joined the students and danced with them.