Aikaviivoja, rakkautta Book launch Fri 8 Apr at 17.30 Tampere Hall, Small Auditorium Admission free Maritta Hirvonen – author, Eija Oravuo – Tampere Filharmonia curator Eija Oravuo interviews Maritta Hirvonen, author of a book telling the story of composer Usko Meriläinen and Ruth Matso. Book cover PHOTO: Stresa kustannus Links Stresa kustannus