Tower Records updated the track duration for each of the song/s in sixxxxxx , inclusive of the preview snippets
1.Step by step -- 4:35
2.Summer diary -- 4:46
3.Sayonara feat.SpeXial -- 5:41
4.Sorrows -- 4:03
5.Shape of love -- 4:24
6.Sky high -- 3:59
Total duration - 27:29
http://tower.jp/item/3865761/sixxxxxx