ADT
Automatic Double Tracking - tape delay technique creating a doubled vocal without re-recording
ADT rose from 1% (1 of 102) of songs in the early years (1962-65) to 24% (27 of 112) from Revolver onward (1966-70).
Analysis
By Year
Song count per year
By Songwriter
% of each member's catalogue with this tag (by writing credit)
By Era
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Songs(27 of 28)
Doctor Robert
Lennon's vocal artificially double tracked
And Your Bird Can Sing
Lennon's vocal artificially double tracked
Taxman
Artificial double tracking developed by Ken Townsend was in use on Revolver sessions
I'm Only Sleeping
ADT was introduced during the Revolver sessions
Yellow Submarine
Love You To
Sitar double tracked
Good Day Sunshine
She Said She Said
Townsend's ADT in routine use on Revolver vocals
Got to Get You into My Life
Tomorrow Never Knows
Townsend's invention - heavy ADT on Lennon's vocal
Strawberry Fields Forever
Sgt. Pepper's Lonely Hearts Club Band
With a Little Help from My Friends
Getting Better
Fixing a Hole
Lead guitar double tracked
Being for the Benefit of Mr. Kite!
Lucy in the Sky with Diamonds
Good Morning Good Morning
I Am the Walrus
Yer Blues
Lennon's and Harrison's solos were re-cut through it on 14 August 1968, with the oscillator pushed into a hard wobble
Julia
Vocal and acoustic guitar both double tracked
Back in the U.S.S.R.
Ob-La-Di, Ob-La-Da
While My Guitar Gently Weeps
Applied to Clapton's solo for 'wobbly' tone
Hey Bulldog
On one of the outro bark exchanges, apart from the hand-doubled lead vocal
Old Brown Shoe
Applied to lead guitar
Come Together
Lead vocal during choruses
Updated