"Dido's Lament" is the aria "When I am Laid in Earth" from the opera "Dido and Aeneas". The opera's music is by Henry Purcell and the libretto by Nahum Tate. This version illustrated on this page has been arranged for Piano Solo (or other keyboard instrument), though on mfiles you can also find the Original version of Dido's Lament and a version for Soprano (or Oboe) and Piano.
Links for the Sheet Music, midi and mp3 files can be found in the left-hand links, or below the following video:
Here is a video of Dido's Lament arranged for Piano Solo:
The audio controls below allow you to play the mp3 version of Dido's Lament arranged for Piano Solo or you can download the MP3 file. You can also download the midi version of Dido's Lament arranged for Piano Solo or alternatively edit/play the midi file.
The image below is the first page of the sheet music, and here you can download the full sheet music for Dido's Lament arranged for Piano Solo in PDF format.