The various performances and interview footage compiled here will answer that question -...

The film was compiled from 40 hours of interview footage shot by a single camera.

The interview footage in-between the performance segments has been described as "very slick and promotional".

The full concert interspersed with interview footage of the band.

None of Miss Zakreta's interview footage was used in the feature film.

The show occasionally featured interview footage and music videos.

The university provides mock interview footage and answers to common interview questions on its website.

As an added bonus, here's some great interview footage with the band from 2007 via Y!

The pair gathered 40 hours of interview footage shot by a single camera.

With each new edition of the series, we start from scratch and sometimes go back into unused interview footage if it has become unexpectedly relevant.