 The song “Underwater” was previously unreleased, having been recorded during the sessions for "Mouth by Mouth".“The Dirt Eaters” is the version that appeared on the USA release of "Mouth by Mouth", without the Jack Nicholson sample.A version of the CD released by Mexican label Opción Sónica included two more songs from "Stars on ESP" and a rare track from the 1994 4AD compilation "All Virgos Are Mad".