In this Friday, Dec. 20, 2013 frame grab from video provided by KRON-TV, famed rock guitarist Carlos Santana, left, greets his former bandmate Marcus Malone on the streets of Oakland, Calif.

People like Marcus King and Chris Stapleton, who tend to blend rock, soul, and blues with country. Post himself has named Tyler Childers, Sturgill Simpson, and Colter Wall as influences.