The Staircase (Mystery)

"The Staircase (Mystery)"
Single by Siouxsie and the Banshees
B-side"20th Century Boy"
Released23 March 1979 (1979-03-23)
Recorded1978
GenrePost-punk
Length3:06
LabelPolydor
Songwriter(s)
Producer(s)Nils Stevenson
Siouxsie and the Banshees singles chronology
"Hong Kong Garden"
(1978)
"The Staircase (Mystery)"
(1979)
"Playground Twist"
(1979)
Music video
"The Staircase (Mystery)" on YouTube

"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".