YES, IT’S 50 YEARS (OUCH!) SINCE THE CHALLENGE “JOHN OR PAUL?” started a million gymslip fights and feuds. From the beginning The Beatles belonged to everyone, unlike the rock’n’rollers and balladeers and popsters of previous eras. We all learnt to twist and shout, we all longed to be just 17, you know what I mean, and to say that we all had a favourite would be to diminish the intensity of the allegiances to individual Beatles which were as compulsory as long hair and mini-skirts.