""The Ancient Rhythmical Art Recovered: Or A New Method Of Explaining The Metrical Structure Of A Greek Tragic Chorus"" is a scholarly work written by William O'Brien and published in 1843. The book focuses on the study of Greek tragic choruses and their metrical structure. O'Brien argues that the traditional methods of analyzing Greek meter are flawed and proposes a new method that he believes better captures the rhythmical art of the ancient Greeks...