This book is a collection of papers on the set-bells of Marquis Yi to commemorate the 10th anniversary of their discovery. The unearthing of these 5th century bells in 1978 marked one of the most remarkable archeological discoveries in the history of science and technology in Chinese civilization. These bells are two-tone set-bells with textural inscriptions and were cast in chromatical scale over a range of 51/2 octaves. This collection of papers represents the interdisciplinary research initiated by the discovery of the bells over the past ten years.