He's worth it. Never much of a singer, his voice has aged well and he doesn't attempt anything live he cannot convincingly still do. I saw him together with Whitesnake and the contrast was painful. Coverdale reminded one of what a great singer he had once been in the past, but excruciatingly so. And Uncle (Aunt?) Alice (at least ten years older than Coverdale) showed us how he could still pull it off like he always had.