"Bad was something we had done with Brian (Eno) as a sort of 'impro' piece, and he wouldn't let us replay it or change anything, so the improvisation stands pretty much as is."
- Adam on recording 'Bad'
did you know
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.