Yuriev & Sellers

 is a track in Xenosaga Episode III. It has not been released on any soundtrack or sound selection and not much is known about this track.

It plays in the following cutscenes:
 * Sellers tells Yuriev and Citrine about the results of Omega Res Novae's testing.
 * Yuriev and Sellers consider Roth Mantel and their lack of knowledge about him.
 * Margulis and Sellers discuss the plan to 'lose control' of Realians on Old Miltia.
 * The party oversees Margulis, young Kevin, and Suou Uzuki discuss the U-DO contact experiments.
 * U-TIC prepares to interrogate Shion inside Labyrinthos.
 * Suou insists that Kevin not use the 27-Series Asura nor the Song of Nephilim.
 * Margulis, Kevin, and Suou interrogate Shion inside Labyrinthos.
 * Yuriev and Sellers discuss after Abel's Ark's reappearance.
 * The party confronts Sellers inside Merkabah.
 * Albedo appears before the party after they defeat Ω Metempsychosis.

A version of the track with less atmospheric noise, unofficially referred to as , was kept within the game's files but went unused.