Butterfly Effect, formed in 2010, combines the elements of jazz, folk and classical music in a unique style. Bori Magyar is one of the most outstanding keeper of the Hungarian folk music treasures, Dániel Kardos' qualities are well-known both in jazz and Jewish sacred music, László Keönch is an excellent percussionist, drummer and singer, while János Vázsonyi plays his saxophone on the border of improvisational and classical music. Their first album was released on the Narrator label, the second will be recorded in the summer of 2018 and will have its pre-release concert on the stage of the Opus Jazz Club.