Von Oeyen has the technique — trills that sparkle, scales that rise and fall, swelling and ebbing as organically as if they were coming form a wind instrument…he also has the ideas, remaining firmly in charge of his performance as he gently coaxed melodic lines out of the Steinway. While von Oeyen delivered on the flashier moments of his first -movement cadenza, they were leavened with grace and beauty.