Blue Peter "Sailors Hornpipe" was used instead. The opening theme has been updated several times. The following is a list of all the versions of the "Blue Peter" signature tune, "Barnacle Bill" that have been used on the show : The debut of a new version of the famous theme tune "Barnacle Bill" is sometimes accompanied with an introduction by the presenters at the time explaining the reasons behind the new rendition. Mike Oldfield appeared on the programme around 1979, and his version of the theme tune was so popular with viewers that the producers decided to record it for use as
Is It Bill Bailey? as well as a small role in "Spaced". Bailey was also approached to appear in "Shaun of the Dead" as a zombie, but was busy with other engagements at the time. Many songs and routines featured in the show were first performed in his "Cosmic Jam" tour and TV show "Asylum" and several were later used during his "Bewilderness" tour. The title is derived from the Rizla game ("Guess Who's You"), the opening credits of the show showing Bill with a Rizla on his forehead, bearing his own name. Is It Bill Bailey? Is It Bill Bailey? was a stand