The original title of the song is "XTC" or "Ecstasy" before the Gibbs realized that it sounded like a drug reference so they changed it to "E.S.P."
Barry handles most lead vocal duties for this song while Robin sings a few lines and edges into falsetto for the choruses.
was released in 1990 on the box set Tales from the Brothers Gibb, Like "You Win Again" it has the same drum program as the demo, and the same main vocal tracks, and it was speeded up by the same amount (103.25%), raising it a little more than a quarter tone, The finished version has a new a cappella opening and reaches the start of the demo at 0:33, There are seven edits, Both times through, four beats are dropped before the second verse ("There's danger"), The last two edits are additions going into the end, around 3:20, Not long after that the finished version has different ad lib vocals into the fade, Rhett Lawrence and Robbie Kondor are again the main musicians on the track,[2] with Reb Beach.
The finished version also features Robin screaming, unlike the demo where Barry's falsetto has a major presence.
Brief studio footage of the brothers recording the vocals appeared in a German interview with Sabine Sauer.