Singer Cal Smith emerged from Ernest Tubb's band and enjoyed several hits of his own between the late '60s and mid-'70s. His best-known song was the sentimental "Country Bumpkin," but his gritty baritone voice was equally suited to more acid material such as "The Lord Knows I'm Drinking," a sharp denunciation of small-town religious self-righteousness. Smith was born Calvin Grant Shofner in Oklahoma but grew up in the San Francisco Bay area. A guitar player since childhood, he spent time with rodeo performers as a teen and began to think about a show-business career. With the ...