I recommend reading the full Wikipedia article, but here is a taste to get you situated:
It Felt Like a Kiss is an immersive theatre production, first performed between 2 and 19 July 2009 as part of the second Manchester International Festival, co-produced with the BBC. Themed on “how power really works in the world”, it is a collaboration between film-maker Adam Curtis and theatre company Punchdrunk, with original music composed by Damon Albarn and performed by the Kronos Quartet. The visitor is immersed in sets based on archive footage from Baghdad, 1963; New York, 1964; Moscow, 1959; in theAmygdala, 1959–1969; and Kinshasa, 1960. The title is taken from The Crystals’ 1962 song “He Hit Me (It Felt Like A Kiss)”, written by Gerry Goffinand Carole King.