- His voice is beautiful and flexible. He is a compelling singing-actor.- Will Graham, former Artistic Director of the National Opera Company
- Students from the Eby studio are distinguished by a healthy technique, solid musical preparation and a perspicacious understanding of the text..- Metropolitan Opera conductor Steven White
- . . . Eby conducts a tight and well-shaped performance with brisk tempos. Eby draws generally polished and rhythmically precise playing. . .- Paul Hyde, Arts Writer, Greenville News