http://www.youtube.com/watch?v=lkUomIYpgYU
The song is from the critically acclaimed–but massively underperforming by U2 standards (it’s only gone platinum once thus far)– album No Line On The Horizon.
It has been used as the closer of every concert to date of their current 360 tour.
There’s not much point arguing its obvious spirituality and Christian sensibility.