Edited sentence: It was written at Headley Grange, a mansion in Surrey that had recently been used and abused by Led Zeppelin for the writing of Led Zeppelin IV.Phil Collins has said that the house had basically been "raped", and there were rats running around, a room where Jimmy Page had indulged in his experiments with the occult, and squalid, unpleasant conditions and moods.The obvious internal tensions weren't the only contributing factor to the album's atmosphere.The tensions poured out in an unexpectedly fruitful writing session, and the raw feel was thankfully preserved by the album being recorded in a mobile studio in Wales as opposed to the usual studios Collins claimed the band often had a reverence for and often lost their edge inside