Robert Randolph had no plans or dreams to take his fiery talents on the pedal steel guitar beyond the New Jersey church where he grew up and the network of pentecostal Black churches around the country that made the “sacred steel” a core part of their services. But his passionate sound and his joyful improvisational spirit were a perfect match for the jam/rock scene of the early 2000s. He’s been a steady contributor ever since, through wide collaborations and a string of albums with his “Family Band.” Now he’s leading the band under his own name and he has a fabulous new record on the revitalized Sun Records.