Definition of "reworking"

What is ancient for us was in its own time a reworking of what was ancient for the ancients.

1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 210

It was the exhilaration of moments like this that made the audience somewhat restless during the band's long warm-up sets later in the evening, sets primarily made up of craftsmanly but unimaginative reworkings of contemporary pop-funk.

1988 September 9, David Whiteis, “Stuff enough: Raful Neal and the bluesman's dilemma”, in Chicago Reader‎