Deluxe EP, also known as Rockferry (Deluxe) – EP, is a 2009 extended play (EP) by Welsh singer Duffy, released in the United States. A custom EP containing tracks from the deluxe edition of her internationally successful debut studio album, Rockferry, it was released solely by Duffy's US label Mercury Records instead of the deluxe edition that was released in several other markets. It includes the singles "Mercy" and "Rain on Your Parade". Track listing The track listing is almost identical to that of Rockferry: Deluxe Edition disc two, except with the addition of "Mercy" and the absence of "Oh Boy". Release history References External links Deluxe EP at Discogs Deluxe EP at Rolling Stone 2009 EPs Duffy (singer) EPs