Former Santana vocalist Alex Ligertwood has died at the age of 79. The Latin rock band crooner “passed peacefully in his sleep with his doggy Bobo by his side,” his wife, Shawn Brogan, announced via Facebook on Saturday. “Alex was loved by so many,” she wrote alongside photos of the musician. “If you knew him, you loved him. He touched so many with his extraordinary voice. He was all heart and soul.” Former Santana vocalist Alex Ligertwood has died. He was 79. Getty Images The hitmaker (seen here performing in 2016) “passed peacefully in his sleep with his doggy Bobo by his side,” his wife, Shawn Brogan, announced via Facebook on Saturday. Photographed: Robert Randolph, Albert Lee, Kenneth Brian, Steve Ferrone and Ligertwood. Getty Images Brogan shared that Ligertwood’s “favorite thing in life was to make music, sing and to share his gift.” The matriarch reflected on Ligertwood performing his last show a few weeks ago, adding, “I’m grateful for that.…