Discipline is the tenth studio release from pop singer Janet Jackson. Despite mixed reviews, the album debuted at #1 on the Billboard 200, selling about 300,000 copies in its first week. Discipline was also released in a deluxe edition which featured a DVD of behind-the-scenes footage of the album creation.

1. "I.D. (Interlude)"
2. "Feedback"
3. "LUV"
4. "Spinnin (Interlude)"
5. "Rollercoaster"
6. "Bathroom Break (Interlude)"
7. "Rock With U"
8. "2nite"
9. "Can't B Good"
10. "4 Words (Interlude)"
11. "Never Letchu Go"
12. "Truth Or Dare (Interlude)"
13. "Greatest X"
14. "Good Morning Janet (Interlude)"
15. "So Much Betta"
16. "Play Selection (Interlude)"
17. "The 1" (feat. Missy Elliott)
18. "What's Ur Name"
19. "The Meaning (Interlude)"
20. "Discipline"
21. "Back (Interlude)"
22. "Curtains"

• "Janet probably won't hit that late-'80s peak again, but that is no excuse to write her off." - Allmusic

• "[T]hough Jackson boasts in 'Feedback' that her swagger is 'heavy like a first day period,' it's more like a bloody mess." - Entertainment Weekly

• "Just lie back and enjoy the sensations as pure aural autoeroticism." - Rolling Stone

• msnbc.com: Janet Jackson Tops Charts for First Time Since '01 (March 5, 2008)
• Daily News: Janet Jackson is now a Discipline problem (February 26, 2008)
  • "It's a traffic jam of sound, a heat wave of attempted hooks that suggests someone here may be just a tad desperate."

• washingtonpost.com: Janet Jackson's Lax Discipline (February 26, 2008)
• USAToday.com: Janet Jackson practices physical Discipline (February 23, 2008)
• Monsters and Critics: Janet Jackson returns with 'Feedback' (December 13, 2007)