Not the entire performance, but here is a clip of Aya performing LOVE ★ GUN at Animelo 2008.

Aya has recently done a commercial promoting the Haruhi Wii game an you can view it below:

Aya Hirano is set to voice a character in the upcoming Bleach movie, Fade to Black. In the video below you can see Aya talk about her character. She also mentions her favorite Bleach character is Byakuya. Unfortunately there are no subtitles.

Aya performed her single Unnamed World live at Tokyo International Anime Fair 2008. You can view the video below:

Enjoy!