They have turned artists working in all styles, not just figurative ones, toward darker subjects.
It also has impressively high dynamic range (the ability to capture both light and dark subjects well in the same image).
The book is so much about envy: a dark subject that no one wants to touch.
Later albums written by him would explore darker subjects and melodies.
The author also touches upon dark subjects like loneliness and death.
These elements collectively form a dark unspoken subject of their portraits.
In his songwriting, he is not afraid to tackle dark subjects.
Writers, you see, concern themselves with dark and serious subjects.
The lyrics usually focus on darker subjects that stray away from the average social topic.
Just how you respond will depend on your tolerance for this particular approach to dark subjects.