What are the characteristics of the Seven Sages of Bamboo Forest?

Although the seven sages of bamboo forest were regarded as one school by later generations, they were labeled as "lofty vanity and contempt for etiquette" by Yin Lian. The common feature of the seven sages of bamboo forest is their lifestyle and frankness, and the best way to show this feature is to talk about metaphysics and drink. The seven sages of bamboo forest are versatile, good at music, calligraphy and painting, and have made great achievements.