The dying man didn't pull any punches. It was June 2019 and Aundrea Moore, who underwent a double mastectomy for breast cancer in 2016, was at Texas Oncology for a checkup when she struck up a conversation with the man next to her. "He was a songwriter looking for a line to go with one of his verses," recalls Aundrea, who goes only by her first name. "I said, 'Sing your verse. I'm a songwriter, too.'" They swapped favorite lines they'd written (hers: "All that's left of loving you is a phone that never rings"), and then she confided that although she'd been penning lyrics all her life, she'd never pursued her dream of songwriting...