Here are some videos of Aya for your viewing enjoyment.

Gimme Your Love Live

Bouken Desho Desho Live
Suzumiya Haruhi no Gekisou

Kaze Yomi Ribbon Live
Suzumiya Haruhi no Gekisou

Parallel Days Live
Suzumiya Haruhi no Gekisou

God Knows Live
Suzumiya Haruhi no Gekisou

Lost my Music Live
Suzumiya Haruhi no Gekisou

Hare Hare Yukai Live – Plus Encore
Suzumiya Haruhi no Gekisou

LOVE ★ GUN Music Video

Neophilia Music Video