At least four Herbie Hancocks showed up for a Carnegie Hall concert at this year's JVC Jazz Festival, which was fitting. A week prior, the festival screened a documentary on the making of Possibilities, Hancock's CD of collaborations with pop stars from Paul Simon to Christina Aguilera, which came off as an attempt to cram Hancock's expansive musicianship into radio-worthy moments. The Carnegie show was about collaborations too, but born of Hancock's working relationships and rooted in jazz. Such concept concerts—a brief bio in four sets—generally suffer from abrupt mood swings and uneven pacing. Yet this one had its moments, especially at the... More >>>