When the famous critic J. Steane from Grammophon magazine heard tenor Janez Lotrič in the title role of Verdi’s Il trovatore (The Troubadour) in the Vienna state opera, he wrote: "His arias have such sweetness, body and purity that I actually found myself wondering whether perhaps Caruso, at the time of his "Trovatore" at the Met (Opera), might not have sounded rather similar.
http://www.janez-lotric.com/
http://sl.wikipedia.org/wiki/Tone_Poto%C4%8Dnik