The Staircase

"The Staircase (Mystery)" is a song by English rock band Siouxsie and the Banshees, released as a stand-alone single on 23 March 1979 by Polydor Records. The track was written by Siouxsie Sioux, John McKay, Steven Severin and Kenny Morris, and was produced by Nils Stevenson. The single's B-side is a cover of the 1973 T. Rex song "20th Century Boy". Release "The Staircase (Mystery)" was released as the band's second single on 23 March 1979 by Polydor Records. It became the group's second top 40 entry, peaking at number 24 on the UK Singles Chart.