The Blueswater return to the Edinburgh Fringe with a special 10th-anniversary edition of their award-winning show, telling the stories and performing the songs of the artists that define the genre; featuring some of the best blues musicians Scotland has to offer. Terrific set of blues songs performed with zest and wit. Great night out (Ian Rankin). 'Blues-based edu-tainment' (Stewart Lee). ***** (BroadwayBaby.com). ***** (ThreeWeeks).