Marat's Death, A Tale of Two Cities, The Old System and the Revolution, Frankenstein romain rolland thinks that drama can not only criticize the malpractice of the times, but also inspire people, and directly influence the masses with the help of drama. He yearned for the French Revolution and wrote 12 songs for it. Among them, the "revolutionary dramas" include Wolf, Dandong and July 14th, and the "tragedy of faith" includes St. Louis, Erdi and Victory of Reason.