Radiohead Community on Instagram: "Reckoner (2007) First released on In Rainbows (October 10, 2007), “Reckoner” evolved from an early heavy, guitar-driven version the band performed around 2001. Over time, Radiohead transformed it into something ethereal - built on shimmering guitars, Thom Yorke’s falsetto, and Jonny Greenwood’s sweeping strings, all shaped under Nigel Godrich’s production. In 2008, the band released the song’s individual stems, inviting fans and producers like Diplo, Flying Lot