The frontman, 45, posted a series of tweets telling fans that he was hard at work with regular collaborator Stanley Donwood, who has designed their promotional artwork for decades.
Yorke and Donwood are going through 15 years worth of “discarded words and pictures” to gain inspiration, with overdubs (the mixing of new performances with existing recordings) already underway.
Yorke has been dropping hints about forthcoming music all week, including a photo of new lyrics added to Radiohead song “A Wolf At The Door”.
Drummer Phil Selway told NME recently that Radiohead will begin recording the follow-up to 2011's The King of Limbs this month after deciding the time was right to “start making music” as a group again.
Earlier in September, Selway revealed that the band's best record is “still to come” and shared some their first new music in three years on Radiohead's expressionistic app PolyFauna.
The app's soundtrack features Yorke harmonising with atmospheric beats and marks a departure from Radiohead's typical sound.
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