(If it's been taken down, you can get the .flv file at this link from the Playstation TGS site)
Fukui Mai - 'Yakusoku no Basho' (PS3 version only)
Charice - 'New World' ('Yakusoku no Basho' English ver.) (XBox360 version only)
Japan - December 15th 2011
North America and Asia - January 31st 2012
Europe - February 3rd 2012
Lightning Edition Version 2, PS3 (320GB) bundle will be released on December 15th.
sources: 1, 2, 3, 4, 5