In the following occasions , Gigliola Cinquetti performed at the Sanremo Music Festival She returned to fame in Eurovision Song Contest 1974 , again representing Italy . Performing the song " Sì " ( " Yes " ) , the music and lyrics of which were written by Mario Panzeri , Daniele Pace , Lorenzo Pilat and Carrado Conti , she came second after " Waterloo " , sung by Sweden 's ABBA
Eurovision Song Contest 1974
Eurovision Song Contest 1974
Gigliola Cinquetti