The album features contributions from artists such as John Frusciante and Flea of the Red Hot Chili Peppers, Fergie of The Black Eyed Peas, former Red Hot Chili Peppers and Pearl Jam drummer Jack Irons, Joy Division/New Order bass guitarist Peter Hook, Porno for Pyros guitarist Peter DiStefano, Hybrid, Thievery Corporation, and finally a pre-recorded vocal performance provided by Jim Morrison.
Ultra high frequency | Ultra | Ultra Naté | Ultra Series | The Ultra Zone | Ultra Panavision 70 | Ultra Magnus | ultra high frequency | Ultra Galaxy Mega Monster Battle: Never Ending Odyssey | Ultra (boy band) | Beneath the Valley of the Ultra-Vixens | Ultra Zoom | Ultra wide angle lens | Ultra Seven | Ultra Q | Ultra Nate | Ultra Galaxy Mega Monster Battle | Ultrà | Plus Ultra (flying boat) | Plus Ultra | Ultra (Ultra album) | Ultra-royalist | Ultra Monsters | Ultra Jump | Ultra-Humanite | Ultra Electronics | Ultra (Depeche Mode album) | Ultra Bra | Ultra.2010 | ULE - Ultra Low Energy |