Blue

Tracklist

• 1
  Blue
  4:52
• 2
  Keep On

  ZEEBRA
  3:55
• 3
  Blue (Instrumental)
  4:52
• 4
  Keep On (Instrumental)

  ZEEBRA
  3:53

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Issues

• 

  B
  Blue

  Digital Media
  27 July 2011
• B
  Blue

  CD
  27 July 2011
• B
  Blue

  CD, DVD (初回生産限定盤)
  27 July 2011