Opera News applauds Ollarsaba for his "sizeable, creamy bass-baritone" in Wolf Trap "
"As Asdrubale, Richard Ollarsaba used his sizable, creamy bass-baritone to keen effect. He proved an astute comic actor, too, especially in Act I, cavorting in disguise as a turban-topped, snake-cuddling creditor (part of the Count's scheme to see if anyone will stick with him if he were penniless)." -Opera News