This has been adapted from Purcell's 'When I Am Laid' from Dido and Aeneas.
A recording of the original can be found here (0:47 onwards).

A score can be found at here. It is intended to be accompanied by recorders but feel free to adapt this for any instrumental combination you have to hand.

When I am laid in earth, May my passing create No trouble in thy breast; Remember me, remember my fate.