"How Could They Believe"
Richard Kubla
Opera Arias - EP
Richard Kubla
スメタナ：Dalibor, Act I
"Oh, Did You Hear It, Friend, in Heaven's Regions"
Richard Kubla
"Woe Is Me! ... If I Knew How to Erase My Guilt"
Richard Kubla
レオンカヴァッロ：I pagliacci, Act I
"Canias Aria"
Richard Kubla