"Sanctissima" is an instrumental song from the Big Red Car album from 1995. This song was not played on video until the Everybody Clap! Everybody Sing! documentary.
- Music: Traditional
- Arrangement/Producers: Murray Cook, Jeff Fatt, Anthony Field, Greg Page
- Musical Arrangement: The Wiggles, Dominic Lindsay
- Engineer/Mixer: Aaron Ruig
- Recording Location: Tracking Station Recording Studios
- Publisher: EMI Music
- Recording Rights by The Wiggles Pty Ltd
- The song credits on Everybody Clap! Everybody Sing! show The Wiggles' names, although they didn't write this song. Also, the word "Traditional" is not there.