《史记·三十世家·吴太伯世家》
四年，吴王派季札出访鲁国，季札请求观赏鲁国保留的周室礼乐。
四年，吴使季札聘于鲁，请观周乐。
In the fourth year, the King of Wu sent Jizi to visit the State of Lu, and Jizi requested to visit the ritual music of the Zhou Dynasty that was preserved in the State of Lu.