Wow. This album was the last recording of the Mwandishi group before the Headhunters era of funk. However, in these earlier Herbie explorations, you can get lost in the shifting sea of sounds...this music is insanely good! Rain Dance can probably be considered the first ever "techno" song, consisting of open, spacey improvisation around a synth loop. Hidden Shadows is definitely my favorite track-- from its opening to finish, it continuously builds up energy, from the great polyrythmic drums and bass, to Eddie Henderson's scathing trumpet solo, to the constantly shifting psychedelic sounds of Herbie's keys and Dr. Patrick Gleeson's synth contributions, until Herbie takes it one step further on the acoustic piano. Finally, there's Hornets. Well...you might want to burn one before this- 20-minutes of high-energy improvisation, complete with kazoo and the repetitive, driving two-note bassline, and steady drums...sounds beautiful, spacey, funky, and intense in a 70's Miles, On the Corner kind of Way. Get this album, sit back, and enjoy where it takes you!!!!