Bela Fleck on ‘Rocket Science’, the band’s big tour and banjos

Bela Fleck and the original Flecktones are back at it. The progressive, jazz-infused band is touring in celebration of its recent release, Rocket Science — the first record the group has created together in 20 years. We checked in with Fleck about his thoughts on the tour, the new album, and the band’s workings and music-making habits.