In 1969 one of the United States's rising young bands, The Cowsills, topped the charts with Hair, a song inspired by the contemporary stage show of the same name.
Their song went on to a record-breaking run in Britain, begging the question were the British more focused on the mop on top than their American cousins?
Of course, the answer matters little, for the importance of appearance in the era of rock 'n' roll was at an all-time high. And coiffure mattered, with bouffants, bounce and shine as much part of conversation as malted milkshakes, espresso coffee and boys.
. . .