Rock of Ages (15A) attempts that toughest of tough things — find some substance in the lyrics of Foreigner, REO Speedwagon, Pat Benatar, Def Leppard, Whitesnake and Poison and shoehorn them into a plot.

THE Tree of Life, an epic and ambitious coming-of-age film that took years for enigmatic US director Terrence Malick to bring to the screen, won top honours last night at the Cannes festival.