Kari Kuuva had his heyday as singer in the latter part of 60's. Later he gained fame mainly as a songwriter. But in 1973 he had a minor hit with "Go-go Sylvi". It was a hilarious story of an ample lady, who liked to go-go dance. The inspiration for Kari's recording came from Sweden, where "Sofia dansar go-go" (Sophie dances go-go) was a hit for schlager singer Stefan Rüdén in 1972, However, the song was of Danish origin. It was written and first performed by singer and songwriter John Mogensen and it was called "Fut i fejemöget"(Grit and sweepings).
Here's the pair: