Raise VibrationView Raise Vibration, Lenny Kravitz's 11th album, as something of a call to arms, a way to encourage good vibes in a time sorely lacking in positivity. Kravitz has been preaching about the power of love since the dawn of his career but, nearly 30 years later, the pendulum has swung toward darkness. Instead of succumbing to despair, Kravitz rallies, creating an impassioned collection that spins his signature sounds into something stirring and, at