Dr Alan Borg , art historian and Keeper of the. Blades at the Tower of London, finds in music a wider and deeper range of experience than in any other art form. His personal choice of records includes court music from the early Renaissance, church music by Bach, songs by Purcell and Ivor Gurney. chamber music by Beethoven and Brahms, a musical conversation by Mozart, a hidden melody by Joseph Cooper , and opera by Wagner.