The series continues with part 3. Volume 3 focuses on the first half of the 18th century – the organ’s Golden Age. The French and German schools of organ building are explained and illustrated. Works of Louis Marchand, Jean-François Dandrieu and J. S. Bach are featured. Organists Gustav Leonhardt and André Isoir perform and Xavier Darasse, Daniel Birouste and Gilles Cantagrel explain the mastery of organbuilding.