Incense, candles, firewood, silk, fruit, grain and livestock for sacrificial goods were required for the rituals repeatedly carried at the Confucius temple and family shrine where Kong ancestors had offerings made to them besides the sacrifices for the four seasons. There were also sacrifices for omens, event commemorations and to disciples of Confucius. Confucian ritual enacted in these constant sacrifices was supported by the Shandong ducal estates of the Kong family. Rehearsal and training were required for the personnel involved in dance and music in the sacrifices. Tax exemption was given to the dancer and music students for seasonal sacrifices and the Kong manor bureaucracy officials. In 1684 the Kangxi emperor went on a major imperial tour of Qufu which was recorded by Kong Shangren who was also a playwright and poet. The emperor's edict elaborated on the learning of the classics by the descendants of Confucius and the sacrifices and ritual patronized by the Manchu emperor as recorded by Kong Shangren in his "The Extraordinary Events Whereby I came Down from the Mountain". A legend arose that Qianlong frequently visited Qufu because the Kong Duke married one of Qianlong's daughters in secret since he made 8 imperial tours through Qufu on his way south throughout his reign. It was critical for Manchu emperors to visit Qufu's Confucius temple to gain the support of Han Chinese literati