MPH jazz quartet (aka Mini-bus to Bucharest). Audition piece for Downbeat Competition. Oliloqui Valley Phil. Empyrean Isles is the fourth album by American jazz pianist Herbie Hancock, recorded on June " Oliloqui Valley", 3. "Cantaloupe Island", 4. There is nowhere on the map called Oliloqui Valley, but Herbie Hancock has left enough clues for you to find it. The title is one of many cryptic handles Hancock.