The Music School of Katerini meets the solist, a professional at the outo and performer HaigYazdjian and his quartet, on Wednesday March 26th at 20.00 at the “Ekavi” Conference Center. The quartet is composed of the musicians: HaigYazdjian outi, voice, George Kontogiannis, Aegean lyre, Tasos Poulios, Norman, Nikos Sidirokastritis, drums.