Ruppina (Mai Kudo) sings pretty well. Here’s a part of her concert at Velfarre 2004.09.18, taken from the DVD that comes with her Best of album.

Ruppina ~ If~Free Will~Faith LiveRuppina ~ If~Free Will~Faith Live

198MB 15:08 XviD 624×468

(torrent | status)

(sample) 10 MB 00:44

Ruppina ~ If~Free Will~Faith Live for PSPRuppina ~ If~Free Will~Faith Live for PSP

58MB 15:08 H.264/AVC 368×208

(download)

(how to play)

This video is kind of big, so you can check out the sample video before downloading the torrent if you like.