Question: Who are the duo from the show "Britain's Got Talent" that recorded the song composed by Franz Xaver on their second studio album?
Sentence (from "Wonderland (Faryl Smith album)"): A concept album, it is based on "Alice in Wonderland", and features a digitally produced "duet" with Luciano Pavarotti, who died in 2007, as well as a song set to "Winter", from Vivaldi's "Four Seasons".
Relevant evidence: No