Automatic double tracking delay (or, in the phaser, a variable phase network). Other notable uses of ADT doubling echo are apparent on select material by Elton John. Some examples of this can be heard on Nigel Olsson's drums, especially the tom toms, on songs such as Don't Let The Sun Go Down On Me from the Caribou album, as well as Better Off Dead and Someone Saved My Life Tonight on Captain Fantastic And The Brown Dirt Cowboy. ADT became the standard recording studio technique for simulating double tracking throughout the late 1960s and 1970s until the arrival of digital technology in the
Someone Saved My Life Tonight metaphor of a creature flying free towards the sky to signify escape from marriage, with the creature in this case being a butterfly. Some radio stations altered the song or refused to play it due to the use of the phrase "Damn it" in the second verse. In the liner notes to the Deluxe Edition of "Captain Fantastic and The Brown Dirt Cowboy," writer Paul Gambaccini related a recollection from producer Gus Dudgeon. During the recording of the song's lead vocal, Dudgeon said he was pushing John for more in terms of his delivery of the vocal, not paying attention