“A new jazz form is emerging from musicians who are mixing hip-hop, soul and R&B with jazz. Some older musicians have complained that the results sound more like R&B than jazz. I disagree. We’re just stretching the boundaries and thinking of jazz differently. Jazz doesn’t have to use old Songbook standards or sound crazy to be considered jazz. In the future, I think long solos will be replaced by a greater emphasis on new sounds, layered music and samples—and shorter solos. My music is textured this way—without giving up the jazz idiom. Jazz, ultimately, is a mood, a feeling. That won’t change.”—Robert Glasper, on the future of jazz, just one of the diverse takes on The Future of Music culled by The Wall Street Journal.