- Κυκλοφόρησε: 6 Μαρτίου 2015
- Εταιρεία: Playground
- Μορφή: CD
- Singles από το “Hidden Gems“:
- “Would You Believe” Κυκλοφόρησε: 27 Φεβρουαρίου 2015
Tracklist:
1. “Would You Believe” (Previously unreleased; era: Da Capo)
2. “Go Go Go” (Previously unreleased era: Da Capo)
3. “Into the Night of Blue” (Bonus track on the Japanese Cruel Summer album)
4. “Don’t Stop” (B-side from the single “The Juvenile”)
5. “Make My Day” (Previously unreleased era: Da Capo)
6. “Mercy Mercy” (B-side from the single “Always Have, Always Will”)
7. “No Good Lover” (B-side from the single “Life is a Flower”)
8. “Summer Days” (From the Japanese Da Capo release)
9. “Giving It Up (2014 remake)” (Previously unreleased era: The Sign/Happy Nation)
10. “Come to Me (Ace version)” (Previously unreleased era: Da Capo)
11. “Prime Time” (Previously unreleased era: Da Capo)
12. “Look Around Me” (Previously unreleased era: The Bridge)
13. “Pole Position” (Previously unreleased era: The Sign/Happy Nation)
14. “Sunset in Southern California” (Remade as “Southern California” on The Golden Ratio era: Da Capo)
15. “Moment of Magic” (Previously unreleased era: Da Capo)
iTunes bonus tracks
16. “Hey Darling” (Bells Version)
17. “Cuba, Cuba Libre” (Previously unreleased era: Da Capo)