The song is much ethereal than Heart Station and 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.
"Heart Station/Stay Gold", a Japanese song by Hikaru Utada from the 2008 album Heart Station
Though the single had no direct tie-ins with other releases, it was released on the same day as other titles by Hikaru Utada, Ken Hirai and BoA.
ATP International Series Gold | gold | Gold Coast | Gold | California Gold Rush | Gold Coast, Queensland | Klondike Gold Rush | Gold Coast (British colony) | Congressional Gold Medal | Pokémon Gold and Silver | Gold's Gym | Barrick Gold | CONCACAF Gold Cup | Kolar Gold Fields | Jodie Gold | Ari Gold | ''Pokémon Gold'' and ''Silver'' | Harmony Gold USA | Gold Standard Laboratories | Fraser Canyon Gold Rush | Ashanti Gold SC | Andrew Gold | Thomas Gold | The Gold Rush | Please Stay | King's Medal of Merit in gold | gold standard | Gold Diggers of 1935 | Gold Diggers of 1933 | Going for Gold |
Sound Riot Records decided to license ‘Waterlines’ to Limb Music worldwide; however, it was also licensed to Stay Gold/Art Union Records exclusively for the Japanese market.