<P> Dido's Lament is the aria "When I am laid in earth" from the opera Dido and Aeneas by Henry Purcell (libretto by Nahum Tate). </P> <P> It is included in many classical music textbooks on account of its exemplary use of the passus duriusculus in the ground bass . The conductor Leopold Stokowski wrote a transcription of the piece for symphony orchestra . It is played annually in London by the massed bands of the Guards Division at the Cenotaph remembrance parade in Whitehall on Remembrance Sunday, the Sunday nearest to November 11 (Armistice Day). </P>

The lament when i am laid in earth is a ground bass aria from