Based on a repeating ground bass pattern, it is the second of four movements from his incidental music (Z 583) to Oedipus, a version of Sophocles' play by John Dryden and Nathaniel Lee, published in 1679.
This piece is the second movement of a set of four pieces for incidental music composed by [composer name] based on his work "Oedipus" which was adapted from Sophocles' play by John Dryden and Nathaniel Lee, published in 1679. The piece features a repeating bass pattern.