Having made his best album since 461 Ocean Boulevard with Slowhand, Eric Clapton followed with Backless, which took the same authoritative, no-nonsense approach. If it wasn't quite the masterpiece, or the sales monster, that Slowhand had been, this probably was because of that usual Clapton problem – material. Once again, he returned to those Oklahoma hills for another song from J.J. Cale, but "I'll Make Love to You Anytime" wasn't quite up to "Cocaine" or "After Midnight." Bob Dylan contributed two songs, but you could see why he hadn't saved them for his own album, and Clapton's own writing contributions were mediocre…