Listen to Purcell: King Arthur, or The British Worthy (1691) / Act 2 - Let not a Moon-born Elf (Grimbald) online. Purcell: King Arthur, or The British Worthy (1691) / Act 2 - Let not a Moon-born Elf (Grimbald) is an Unknown language song and is sung by Gerald Finley, The English Concert and Trevor Pinnock. Purcell: King Arthur, or The British Worthy (1691) / Act 2 - Let not a Moon-born Elf (Grimbald), from the album The Power of Purcell, was released in the year 2020. The duration of the song is 1:12. Download Unknown songs online from JioSaavn.