The Sundays at Seventeen series, under the banner of Cathedral Arts at Christ Church Cathedral, Dublin, continues with a Duke Ellington programme from Hakan Lewin and Peter Sweeney (on saxophone and organ) on May 9th, writes Michael Dervan. Anne Page plays Messiaen's last great organ work, Livre du Saint Sacrement (May 30th). The RTE Vanbrugh Quartet is joined by young players Roisin Ni Dhuill and Hanno Strydom in Brahms's G major Sextet (June 13th). Christ Church Baroque rounds things off with Handel and Bach on July 4th. All concerts are at 5 p.m. Full details from Cathedral Arts on 01-496 6740.