"Interlude" was recorded during the recording sessions for Morrissey's Vauxhall and I album, and was produced by Morrissey guitarist and musical director Boz Boorer. The original version of the song was recorded in 1968 by the female singer Timi Yuro as the title track for the film of the same name.
Morrissey first contacted Siouxsie in the early 90s with a view to recording a duet with her. In 1993 he sent her a tape with some potential songs he had selected. All were numbers initially sung by female singers like Nancy Sinatra and Dionne Warwick. Siouxsie picked this ballad and Morrissey agreed. The sessions went well and Boz Boorer later described his collaboration with Siouxsie as "complete joy".
Soon after the recording, however, the two singers fell out with one another regarding the content of the video. Ultimately, the video shoot never took place and the whole project was put on ice for a few months. EMI then threatened to not promote it without the existence of a video support. What's more, although a winter song, against all expectations EMI finally released "Interlude" in the summer of 1994.
Despite this, the single's chart peak (#25 UK) was consistent with Siouxsie's other UK chart placings of the post-1988 era, whether recording with Siouxsie and the Banshees or The Creatures, when she never charted higher than #21 UK. "Interlude" also charted considerably higher than Morrissey's previous single, "Hold on to Your Friends", which had flopped at #47. "Interlude" was also issued in Europe via EMI. In North America, the impossibility of an agreement between Sire (Morrissey's US record company) and Geffen (Siouxsie's), the record was only available on import in very limited quantities.
^"Singles going steady: The Top 10 one-off team-ups of all time". Spin Magazine. April 2007. Page 58. N°9: Morrissey & Siouxsie Interlude 1994. "Two heroes enterwine their voices - Siouxsie's torchily rich, Morrissey's expansively wobbly - for a song about romance that actually doesn't sound doomed."
^CFNY radio, Toronto, Siouxsie interview, 25 April 1995