Alan Yentob shares the fascinating story of how the 1974 broadcast of the great Ella Fitzgerald singing in Ronnie Scott’s nightclub came about. In a tale of tenacity combined with new camera technology, Alan recounts how, as a young TV producer, he managed to persuade Ella’s manager to let the BBC film Ella in full flight at London’s home of jazz, capturing forever what is now considered to be a performance of true musical significance.