This is the concert program of the Frittelli-Martin Duo performance on Thursday, April 18, 1985 at 3:00 p.m., at the Marshall Room, 855 Commonwealth Avenue. Works performed were Sonata in A major by Antonio Vivaldi, Sonata in A major, K. 526 by Wolfgang Amadeus Mozart, Sonata for Violin and Piano by Claude Debussy, and Sonata in D minor, Op. 108 by Johannes Brahms. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund