Possible Clues:

• Form of drama one of Mitford's aristos backed
• Plays accompanied by hayashi
• Name O. Henry originally adopted for theatrical work
• Quite a lot of blood in new hospital drama
• Kabuki relative, and a hint to five puns in this puzzle
• Traditionally all-male art form
• Theatrical form
• Stylized Japanese drama
• Traditional drama is grind devoid of energy? The reverse
• Masked drama form