Who most commonly sang the fastest-selling single by an Australian artist as a duet?
The Prayer (Celine Dion and Andrea Bocelli song) "The Prayer" is a popular song written by David Foster, Carole Bayer Sager, Alberto Testa and Tony Renis. It is most commonly known as a duet between Celine Dion and Andrea Bocelli. It is from "Quest for Camelot:
Black &amp; Blue (Guy Sebastian song) "Black & Blue" is a song by Australian recording artist Guy Sebastian. It was released as the first single from Sebastian's forthcoming ninth studio album. "Black & Blue" peaked at number 17 on the ARIA Singles Chart. The song became his 25th Top 100 entry and his twentieth Top 20 hit in Australia.