The show comes to Cardiff on the 5th May – here’s why you should see it   It’s been the UK’s official number one Tina Turner tribute for the past five years (as voted by the Agents Association of Great Britain), with a Lifetime Achievement Award under its belt and a hectic, fast-growing gig schedule right across the UK and into Europe to boot. The cast of ‘Totally Tina’ it seems, is definitely ‘better than all the rest’. Now seven…