The Dunietz Concurrency is a physical phenomenon that occurs when two or more Dunietz sisters are performing live music on the same night in different venues. On the 25th of April 2017, such a phenomenon took place. These are some of the noises that can transpire during a Dunietz Concurrency. Maya Dunietz, Rami Gabai in Beit Hamidot vs. Keren Dunietz & Dema (Tamuz Dekel and Dan Mayo) in the Kuli Alma.