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
Barnacle Boi Barnacle Boi began making music on the side that came "from his heart" which "felt 100% natural to" him. The tracks made this way were eventually released under his new project "barnacle boi" which is now his main musical focus. On March 1, 2015, barnacle boi made his official debut with the release of his single "Memories feat. Madi Larson". This was also his first official collaborative project as barnacle boi with the vocal feature of Madi Larson. The single was self-distributed to all major streaming services such as Spotify, and Apple Music. Barnacle Boi continued to release numerous singles