Unvail thy bosom, faithful tomb. I. Watts. [Burial.] This is the last of five odes which are appended to a letter "To Lucius, on the death of Serena," published in his Reliquiae Juveniles, &c, 1734. It is in 4 stanzas of 4 lines, and headed, "Ode v. A Funeral Ode at the Interment of the Body, supposed to be sung by the Mourners." It has passed into several hymn-books in Great Britain and America
John Julian, Dictionary of Hymnology (1907)