I would like to go 'on' (tutaj.. TO THE festival in 'Opolu' (ej-prosze to po ang), 'therefore' (to jest zle slowo tutaj, nie wiem co chesz powiedziec..) that this is one 'from' OF the most popular festivalS in Poland.
'It holds what year' (nie, nie, - prosze nie slowo w slowo - albo tkiepskim translatorem. co napisales to ..ono ma co rok...a chciales napisac cos innego...wqtedy IT IS HELD EVER YEAR. 'There alternate' (cos mi to nie gra...) well-known Polish performers, and also foreign (ale foreign co?).