Katy Perry現場有沒有進步？ 來聽聽看吧。 
如果你喜歡Katy Perry的專輯《Rock In Rio 2011》里的歌曲，可以把下面的歌曲連接發給你的朋友:
1.Teenage Dream - Katy Perry
http://www.guangchangzhuan.cn/ting/515259.html
2.Waking Up In Vegas - Katy Perry
http://www.guangchangzhuan.cn/ting/515260.html
3.Peacock - Katy Perry
http://www.guangchangzhuan.cn/ting/515261.html
4.I Kissed A Girl - Katy Perry
http://www.guangchangzhuan.cn/ting/515262.html
5.Circle The Drain - Katy Perry
http://www.guangchangzhuan.cn/ting/515263.html
6.E.T. - Katy Perry
http://www.guangchangzhuan.cn/ting/515264.html
7.Thinking Of You - Katy Perry
http://www.guangchangzhuan.cn/ting/515265.html
8.Hot N Cold - Katy Perry
http://www.guangchangzhuan.cn/ting/515266.html
9.Last Friday Night - Katy Perry
http://www.guangchangzhuan.cn/ting/515267.html
10.Firework - Katy Perry
http://www.guangchangzhuan.cn/ting/515268.html
11.California Gurls - Katy Perry
http://www.guangchangzhuan.cn/ting/515269.html