"Xenogears" contributor Tomohiko Kira played guitar on the beginning and ending themes. Noriko Mitose, as selected by Masato Kato, sang the ending song—"Radical Dreamers – The Unstolen Jewel". Ryo Yamazaki, a synthesizer programmer for Square Enix, helped Mitsuda transfer his ideas to the PlayStation's sound capabilities; Mitsuda was happy to accomplish even half of what he envisioned. Certain songs were ported from the score of "", such as "Gale", "Frozen Flame", and "Viper Mansion". Other entries in the soundtrack contain leitmotifs from "Chrono Trigger" and "Radical Dreamers". The melody of "Far Promise ~ Dream Shore" features prominently in "The Dream That Time Dreams" and "Voyage ~ Another World." Masato Kato faced internal opposition in hiring Noriko Mitose: