Evil Ways (5-Part Flexible Band and Opt. Strings) (HL Flex-Band) Made famous by the group Santana, this is Latin/Rock at its best. Dur: 1:40 Hal Leonards innovative Flex-Band series is designed to provide exciting music for bands with incomplete or unbalanced instrumentation. Written using just five parts (plus percussion), these arrangements will work with virtually ANY combination of brass, woodwinds, or even strings.