Patrick in Prussia, or Love in a Camp is a 1786 comic opera with music by William Shield and a libretto by John O'Keeffe. It was a sequel to the 1783 hit The Poor Soldier with the characters now serving in the Prussian army.
The work in two acts was first performed on 17 February 1786 at the Covent Garden opera house, London.
References
Love in a Camp Wikipedia(Text) CC BY-SA