Kontra-Kvartet is a Maribor acoustic ethno group that, as one of the few in Slovenia, performs traditional Jewish klezmer music. The group consists of experienced musicians: violinist Vesna Čobal, guitarist Petar Marić, accordionist Daniel Marinič, and double bassist Branko Smrtnik. So far, they have performed at numerous concerts at home and abroad, including in 2011 at the largest klezmer music festival in Safed, Israel.