Who most commonly sang the fastest-selling single by an Australian artist as a duet?
Anthony Callea Anthony Cosmo Callea (born 13 December 1982) is an Australian singer-songwriter and stage actor of Italian descent (parents Santina and Cosmo) who rose to prominence after being the runner-up in the 2004 season of "Australian Idol". Callea's debut single "The Prayer" is the fastest-selling single by an Australian artist, held the No.1 spot on the ARIA Singles Chart for five weeks, a record for the debut single of an "Australian Idol" contestant, and was the second-highest selling Australian single of the last decade.
Kate Ceberano Catherine "Kate" Ceberano {'1': ", '2': ", '3': ", '4': "} ( , born 17 November 1966) is an Australian singer. She achieved success in the soul, jazz and pop genres, as well as in her brief forays into musicals—with "Jesus Christ Superstar"—and film. She has also achieved success as a songwriter, with the hit "Pash" receiving a gold sales certification in 1998.