While doing the soundcheck for the MTV 10 Spot show on december 19th 1997, the band briefly went into a song which is currently unidentified and isn't known from any other source. There used to be a rumour, that this might be 'Dogwander', but the attribution has always been highly speculative without any good basis. With its swampy feeling it does somewhat point towards the sessions for Kid A and Amnesiac, but it's further progress (or lack thereof) remains as unknown as its ultimate fate: