September are a Slovenian-based band. They were founded by Janez Boncina (guitarist and singer), who was already a well-known name in Slovenian rock with the bands Mladi levi u0026 Srce. September was an entirely different beast, bringing us a mix of jazz, rock and blues. Zadnja Avantura, a great vocalist and one of the most prominent examples of Yugoslavian Progressive Rock, is still being considered. from http://www.therocktologist.com
