Final answer:
Art, music, philosophy, and drama are all part of the humanities, which encompass various subjects that focus on human culture, values, and expression.
Step-by-step explanation:
The disciplines of art, music, philosophy, and drama are indeed part of the humanities. The humanities encompass various subjects that focus on human culture, values, and expression. These disciplines provide insights into the human condition, critical analysis, aesthetic judgments, and an appreciation for the arts and humanities as fundamental to society's health and survival.