""A History of the Old Hundredth Psalm Tune: With Specimens"" is a book written by William Henry Havergal in 1854. The book provides a detailed account of the history of the Old Hundredth Psalm Tune, one of the most well-known and widely used hymn tunes in the Christian church. Havergal traces the origins of the tune back to the 16th century, and explores its evolution and use in various religious traditions over the centuries. The book includes musical...