If you think “celebrity couple,” Angelina and Brad might come to mind, but when it comes to the hottest couple in the world of classical music, it’s Latvian-natives Soprano Kristine Opolais and Boston Symphony Orchestra’s music director Andris Nelsons. Nelsons will conduct while Opolais reprises Tchaikovsky’s opus with the Boston Symphony Orchestra from April 21 through 23. The couple joined Jim Braude for their first joint TV interview since Andris came to the city.

It wasn’t the first time Nelsons heard Opolais sing, but her 2004 performance of Tatyana’s “Letter Scene” from Tchaikovsky’s “Eugene Onegin” was the moment he fell in love.