Y-Love & Yuri Lane Purim Beat Box Freestyle for Sefira. Orthodox Jews refrain from listening to live music - famous Orthodox rapper Y-Love and beatbox superstar Yuri Lane create all their music non-instrumentally. Here is a clip from an improvised piece filmed on a handheld at their CD release party for Count It, their Sefira album. A CD release of all vocal hip-hop over seven tracks to correspond to the seven weeks of the Counting of the Omer.