Listening to Rateliff's music it can be kinda hard to work out where it stems from. What lies at it's core may well be the gospel music he grew up with in church. On tip of that there's blues, there's soul, there's r'n'b, there's rockabilly, there's classic Memphis horns, and crowning it all is Nathaniel's excellent voice.
This is going to sound so good in the Sunday afternoon sunshine on the Park Stage, the only snag being that he finishes exactly at the moment that E.L.O come on the Pyramid Stage, so tough choices will have to be made.
If you do end up missing him at Glastonbury he's back in London at Brixton Academy in November.