On a rather dreary and wet day, two dozen Blue Badge Tourist Guides met in the foyer of the National Theatre for a "behind the scenes" tour. We were split in two groups, all dressed in fetching high viz jackets. Even before we set off our little band was buzzing with excitement, as we were promised a goody bag full of information leaflets on our way out.

Fifty years ago this month, we lost one of the greatest musicians of all time. Jimi Hendrix died in Notting Hill, on 18 September 1970. Johnny Allen Hendrix was born on 27 November 1942 in Seattle. He became “Jimi” only later. He had a diverse lineage with African-American and Native American roots. His grandmother Nora was said to be one-quarter Cherokee. Early 20th-century photos reveal her fine features, which bear a striking resemblance to those of her grandson.