All eyes are on Cardiff's St David's Hall as five singers compete for the first of the BBC Cardiff Singer of the World's prestigious awards - the Song Prize, a testing examination with competitors performing solely with piano accompaniment. In 2007, England's Elizabeth Watts took the prize and has since gone on to a glittering singing career.

Joining presenter Petroc Trelawny to give her views is one of the world's great opera singers and interpreters of song, soprano Barbara Bonney.

Please note phonelines may now be closed, but you will still be charged for your call. Show less