Cat. E
- 2-8 members accordion chamber music orchestras (no age limit)
Cat. F - Chamber music orchestras with accordion and other
classical instruments or including other popular and folk music
instruments - Max 15 members - no age limit
Cat. I
- Accordion orchestras, without age limit, with a predominantly
classical repertoire (with a minimum of 10 components including
the rhythm section)
Cat. L - 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 or jazz
ASTOR PIAZZOLLA MUSIC SECTION
Cat. M- Soloists (accordion and bandoneon) and Bands - no age limit