In my survey of the Guitar Accompaniment Book from OCP (c 2005) I have got to this song by Christopher Walker.
The tune is inventive but I fear the verse might be a bit much for the assembly. There is a descant for the refrain and also the end of the verse.
It is a gathering song that would be wonderful for special occasions and a full choir.
The sheet music is at OCP where the text is in their preview.
All guns blazing: