Daughter of Field-Marshal Earl Haig, and wife of a distinguished historian, Lady Alexandra Trevor-Roper recalls her father vividly, with his recitations of Dryden, and his insistence that she ride side-saddle and learn to paint. Later, before the War intervened, she decided to become a singer, and afterwards, in Paris, she took lessons with Pierre Bernac. Ever since, she has loved French music in particular; but this afternoon. with the aid of a personal choice of records that includes Kathleen Ferrier and Sviatoslav Richter as well as Bernac and Poulenc, and some less familiar names, she talks about her recollections of the musical scene on both sides of the Channel,