Knowles, who passed away aged 76 on Tuesday, was a marketing pioneer within the business in a career that began in the 1960s as US record company giant CBS opened offices in the UK for the first time.

He started as a salesman at CBS at a time when its roster included American stars such as Bob Dylan, The Byrds and Barbra Streisand, while it then started to build a UK roster including the likes of Georgie Fame, The Tremeloes ...