Tenors Andrea Bocelli, Russell Watson and Vittorio Grigolo have made UK chart history by each having albums in the top 10 at the same time.
The Italian tenor Bocelli sang at Luciano Pavarotti's second wedding
Corinne Bailey Rae's album of the same name topped the chart while Watson's Ultimate Collection was at number two and Bocelli's Amore was at five.
Newcomer Vittorio Grigolo's In the Hands of Love debuted at number six.
Orson's No Tomorrow knocked It's Chico Time by The X Factor's Chico down to number two in the singles chart.
The Three Tenors - Luciano Pavarotti, Placido Domingo and Jose Carreras - have appeared in the top 10 at the same time only when they recorded together.
Watson has sold more than four million albums worldwide
Grigolo, 29, has been dubbed "Il Pavarottino" by the Italian press in recognition of his resemblance to Pavarotti.
He sang with the Sistine Chapel choir from the age of nine and now incorporates rock covers by acts such as Keane in his set.
Fellow Italian Bocelli, who is blind, is a multiple Classical Brit Award winner who also sang at the second wedding of Luciano Pavarotti.
Watson, another Classical Brit winner, won the celebrity TV singing show Just the Two of Us earlier this month after he was paired with actress Sian Reeves from BBC One's drama Cutting It.
HMV's Gennaro Castaldo said: "The first time we really saw the phenomenon of classical music crossing over into the mainstream in this way was through the massive popularity of the Three Tenors in the early 1990s.
Vittorio Grigolo joined Milan's La Scala opera house at the age of 23
"Now the likes of Andrea, Vittorio and Russell are achieving a similar effect with a new and younger audience."
In the singles chart, the Black Eyed Peas climbed three places to number three with Pump It, while Pussycat Dolls featuring Will I Am were at four with Beep.
Corinne Bailey Rae's single Put Your Records On stayed at number five for a second week.