What really calls one's work Fu is. It is also the best in history. Sima Xiangru, Yang Xiong, Ban Gu and Zhang Heng were praised as the four masters of Han Fu by later generations.
Zhang Heng's Return to Tianfu, Zhao Yi's Disgracing the World, RoyceWong's Going to the Building and Cao Zhi's Ode to Luoshen are all relatively numbered.