Program: Maurice Ravel's Piano Trio in A Minor. The National Gallery of Art Piano Trio, the resident trio at the National Gallery, features violinist Luke Wedge and cellist Ben Wensel, both of whom have performed as members of the National Gallery Orchestra. The third member of the trio, pianist Danielle DeSwert Hahn, is also the Gallery's music program specialist. Listen to the four movements of Maurice Ravel's Piano Trio in A Minor, from a performance in the West Garden Court of the National Gallery on February 24, 2008.