Die Besucher
Protheroe was lyricist, arranger, musical director, and vocal soloist on Eric Lévi's score to the French smash-hit comedy film "Les Visiteurs" (1993) and also on the album Era (1996) with over 6 million sales in mainland Europe and South America. (Protheroe is also the male vocal soloist, double-tracked, on the track "Ameno" from "Era".) The more recent "Era 2", "Era 3: The Mass" and "Era 4: Reborn" have all reached high chart positions internationally; "Era 5: Classics" was released in November 2009; "Era 6: Classics 2" in October 2010; and "Era 7: 7 Seconds" in 2017. Another Era album was released in 2013 entitled "Arielle Dombasle By Era". The project to date has sold nearly 15 million albums. All were recorded in Abbey Road Studios and Air Studios in London, and also in Paris. In June 2012 he conducted two large-scale concerts of "Era" in Moscow and also was guest conductor in an "Era" concert in Menorca, and further performances took place in December 2013 in the Kremlin, Moscow and St Petersburg. In September 2017 he was a special guest at an "Era" concert in Bergen, Norway, which featured a chorus of 150 singers.