'What can the matter be' is the title of an audio guide of selected works in the Tate Modern collection in which the matter of the artwork is forefronted and questioned. The designed tour is produced in MP3 format and selections are downloadable by the public from the Tate Modern website onto their private MP3 players prior to visiting the museum. The audio guide/tours were produced in partnership with the Education team at the Tate Modern.

The 'What Can The Matter Be' podcast reached number one in the iTunes Arts podcast charts and in the iTunes world podcast charts it reached number thirteen overall. It has been in the charts since its launch in April 2007.

https://research.gold.ac.uk/id/eprint/267