Will, since you did say "song", although I greatly prefer orchestral music I'll again mention the incredibly beautiful rendition of the Rachmaninoff Vocalise by Anna Moffo on RCA 7831. What I'm listening to at the moment is the stirring Smetana Ma Vlast(My Country) with Berglund and the Dresden State Orchestra on Seraphim 73736.

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Enjoy the music, not the equipment.