The exposition is dedicated to the apostolic mission of the unforgettable folk composer to spread brass music in Northwest Bulgaria. It presents through photographs and a list of the brass bands from Bukyovtsi - today's town of Mizia, Hayredin, Virovsko, Komarevo, Lehchevo, Septemvriytsi, Rogozen, Botevo and Lepitsa, which Diko Iliev created and led. The information was provided by the local community centers, for which we thank them! The exposition is supplemented with brass instruments necessary for an orchestra.

The exhibit is located in the attic space of the Diko Iliev and the Brass Bands House Museum and is reached by a beautiful, spiral, metal staircase from the last century, shipped from Vienna.