 Complete the following phrase:  Katri Helena released her first songs in 1963 and has since sold over 630,000 certified records, which makes her the second-best-selling female soloist in Finland behind Madonna and places her also among the top 20 best-selling music artists in the Finnish market. She has represented Finland twice in the Eurovision Song Contest: in 1979 with her song Katson sineen taivaan and in 