《晋书·志·第六章》
后来，汲郡盗掘六国时魏襄王墓，得到了古代周朝的玉律及钟磬乐器，它们也与新律暗中相合。
又，汲郡盗发六国时魏襄王冢，得古周时玉律及钟、磬，与新律声韵闇同。
Later, the tomb of King Xiang of Wei from the Warring States period was excavated by tomb raiders in Jixian County, and the ancient Zhou Dynasty jade pitch pipes and chime instruments were discovered. They also secretly matched the new pitch pipes.