Bonnie Raitt has been a constant presence on the international music scene for over 50 years, collaborating with many – from Sippie Wallace to Mavis Staples, John Lee Hooker to John Prine – and boasts a long list of best-selling albums, with 13 Grammy Awards from 30 nominations to her name, as well as the honour of receiving the Lifetime Achievement Grammy in 2022. Not bad for someone who was discounted earlier this year as “an unknown blues singer” by a certain UK tabloid…