"There have been periods when Adam and I didn't particularly get along, over the years. Yet when I left Aislinn I moved into Adam's. I suppose that the other three are the closest friends I have."
- The Edge, 1990
Starting from Summer 2007 to Summer 2008, U2 had written and recorded 50-60 songs for a new record with Brian Eno and Daniel Lanois. 11 of these were released on 2009's No Line On The Horizon.