According to an article on ranker.com by Juliet Bennet Rylah, “In Southeast Asian mythology, a tuyul is a spirit made via black magic from the fetus of a dead human.
They are believed to be mostly harmless on their own, but can be used by human masters to commit various tasks or crimes.
In this video, a creature referred to as a tuyul appears behind two people who are playing guitar and singing a song.
Though this is not a common part of tuyul mythology, it appears that the creature can only be spotted by the cameraman and the two musicians are unable to see it, even as it creeps around them.”
She talks about her tour, how it started and why she thinks it is so popular. She mentions things she has seen and heard on the tour.