For much of his professional career, Doug Anderson sang with Ernie Haase & Signature Sound, a contemporary Southern gospel quartet of which he is a founding member, but he left in 2015 to pursue a full-time solo career. A native of Lapel, Indiana, Anderson first tasted success as a high-school basketball star, and he went on to play the sport at Purdue University in West Lafayette. He turned his dreams toward music during college, joining a quartet called Lighthouse. One day, Lighthouse met a group called the Cathedrals, which featured Ernie Haase. A while later, Haase set out...