Without googling it, it must be mid 60s; I was already in primary school. My Dad hadn't really got past 1871 in musical terms, so we didn't get modern music although I found he had a Chris Barber LP with Lonny Donegan doing Rock Island Line which I played to death. I had to discover all this music when I was much older so the chronology is completely awry in my head.
It had been erased from mine till my mum sent me an email about the holiday and it came flooding back