Check email for more info. Briefly: This events organizer's customers have a dinner at the Kansallisteatteri stage. We come there with a flash mob -style event with 1-2 songs. Later that night might be more songs with smaller group. Available singers please Sign-in or Sign-out fast. Showtime starts 18:00, warm-up, mic check(?), around 15/16 o'clock. More info later.