Jon Hassell – trumpet, Prophet 5 touches on "Delta Rain Dream", "Aular" loop on "Rising Thermal", Arp loops on "Charm" Brian Eno – background cloud guitars on "Delta Rain Dream", Prophet 5 "Starlight" background on "Ba-Benzélé", high altitude Prophet on "Rising Thermal", rare MiniMoog & treatments on "Charm" Percy Jones – bass on "Chemistry" Naná Vasconçelos – ghatam, congas, loop drum Aïyb Dieng – ghatam, congas Michael Brook – bass on "Griot" Paul Fitzgerald – electronics on "Griot" Gordon Philips – handclaps on "Griot" Andrew Timar – handclaps on "Griot" Tina Pearson – handclaps on "Griot" Jerome Harris – bass on "Ba-Benzélé" Night Creatures of Altamira – on "Rising Thermal"