. >> were you like mustafa in the lion king. >> i have done some american operas. and they are very, very good american operas also. but of course the opera was born 400 years ago in europe. and of course, tart in italy, you know, then french, russian, german. and scandinavian countries. >> the best op ra, what does that sound like. >> the best op ra, i cannot say. >> rigolleta, that song. >> absolutely, the most popular song. >> it is so known, the opera, that the whole evening they are, the public is sitting, you know, in 9 auditorium and when it comes-- everybody rigoletto. >> they sing along, is it like a-- concert. >> no, they don't, that wab fun, you know, just say come on, sing with us. come on. >> join in the chorus. >> dow ever teach people to sing. do you do master classes, that kind of stuff. >> i sometimes. >> would you teach me how to sing. >> absolutely. >> i tell you what, when we come back, placido and i, we will opera. >> yeah, (cheers and applause) >> you tell me. >> thank you so much, ♪ ♪ ♪ ♪ ♪ ♪ (cheers and applause)