Question: Who of Anne Cochran's duet partners is best known for the song "Vincerò, Perderò"?
Sentence (from "Mario Frangoulis"): Mario Frangoulis (Greek: Μάριος Φραγκούλης ; born 1967) is a Greek tenor and is best known for his song, "Vincerò, Perderò".
Relevant evidence: Yes