An unrepentant believer in the power of classic rock and R&B, Melissa Etheridge has managed to keep her traditionalism vital decades after the release of her eponymous debut in 1988. With a raspy delivery that recalled prime Rod Stewart and faith in the restorative power of rock learned from Bruce Springsteen, Etheridge distinguishes her lean, straight-ahead heartland rock with emotionally direct songwriting. She sharpened this skill on Melissa Etheridge, Brave and Crazy, and Never Enough, records from the early '90s that generated such rock radio hits as "Bring Me Some Water,...