- the Difference (2011)
- B’Girls Are Back
- Back to da Future
- 하이힐 (High Heels)
- 변했어 (Deepened)
- Help Me
- Whatever
- 만나지 말걸 (Don’t Meet)
- 롤린 (Rollin’)
- 옛 생각 (Memory)
- 서두르지 마 (No Rush)
- 하이힐 (High Heels) [Remix]
- Outro (Rollin’)
- Intro (Ain’t Nobody Like Brave Girls)
- So Sexy
- 롤린 (Rollin’) (New Version)
- 툭하면 (Easily)
- 아나요 (Do you know?) [Acoustic Remix Version]
- 툭하면 (Easily) [Instrumental]
- Intro (the Difference)
- 아나요 (Do You Know)
- So sexy (Instrumental)
- 요즘 너 (Nowadays, You)
- 말 없이 (Without a Word)
- 요즘 너 (Nowadays, You) [Remix]