So look at the past ERAs of U2 (Beginning from Boy...) tours, and pick a 'phase' or 'look' that the members went through that you liked the most. Then create it in a line up for a new tour... follow me?
I'll start...
Bono - ZOO TV
The Edge - The Joshua Tree
Adam Clayton - POPMart
Larry Mullen - Vertigo
I'll start...
Bono - ZOO TV
The Edge - The Joshua Tree
Adam Clayton - POPMart
Larry Mullen - Vertigo