Cat. E - 2-9 members accordion chamber music orchestras (no age limit)
and chamber music orchestras with accordion and other classical
instruments or popular and folk music instruments (max 9 members -
no age limits)
Cat. I - Orchestras and groups without age limit, with
a minimum of 2 components either formed mainly of accordions or
formed of other instruments but where the accordion has a
predominant role. The repertoire should be predominantly of light
music, jazz and compositions by Astor Piazzolla
