Stay Gold Is The Fifth Track On Utada Hikaru’s Fifth Studio Album HEART STATION. It Was Also Released As Part Of Heart Station/Stay Gold Her 20th Single. Stay Gold Was Featured In Kao's Asience Late 2007 Prism Hair Shampoo Commercial. Stay Gold Is A Positive Song About A Woman Who Is Encouraging Her Partner To "stay Gold" And To Remain Happy Even When Tough Times Are Near. The Lyrics Of The Song Were Inspired By Robert Frost's Poem Nothing Gold Can Stay And Stevie Wonder's Song Of The Same Name. The Composition Has A Prominent Piano Background With A Slight R&B Feel.