Christian heavy rock band White Light hit the Scottish news headlines this weekend after it emerged their 1974 LP, Parable, has been re-released due to popular demand. The four-piece, who have a combined age of more than 240 years, staged an impromptu gig - the first in over 10 years - at Pollokshields Parish Church in Glasgow for BBC Scotland. The lack of amps and drum kit - a shortbread tin will do - did not stop the ageing rockers - guitarist the Rev Doug McRoberts, bass player Dave McRoberts