Fab Four are still making waves 60 years on – and upcoming Sam Mendes films are expected to turn the hype up to 11 Fab Four are still making waves 60 years on – and upcoming Sam Mendes films are expected to turn the hype up to 11 I f anyone needed a reminder of the enduring cultural clout of the Beatles, the past few weeks have provided a glut. Firstly, there’s the small matter of The Boys of Dungeon Lane , Paul McCartney’s 20th solo album, billed as “an adventurous and limber take on guitar