Music review: Pianist Markus Groh makes Washington recital debut

Pianist Markus Groh can play very, very loudly. If this observation were made about a younger musician, it might be understood as a euphemism for the excesses of youth. But Groh, who appeared at the Terrace Theater as part of the Washington Performing Arts Society's Hayes piano series Saturday afternoon, is not wild or uncontrolled. He just happens to have the ability to crank up the volume, which makes his playing prone to outbursts, quickly flaring up and just as quickly folding back again int...