George Walker, who recently passed away at the age of 92, was the first black composer to win the Pulitzer Prize in Music Composition for his piece “Lilacs” for voice and orchestra. Redi Llupa will perform all of Walker’s sonatas written for piano on Friday, Jan. 25, at 5 p.m., in the Mahaney Art Center. This program is part of the New Century | New Voices concert series that honors the work of classical composers who are women or/and people of color. Admission is free.