"Tell Me Why" is a single by English singer Declan Galbraith and 83,637 other children.
Released on 9 December 2002, 10 days before his 11th birthday, this was Galbraith's first single. The single reached number 29 on the UK Singles Chart.
On 9 December 2002, the largest choir in history, of 83,637, drawn from all parts of the UK and Ireland, joined Declan to sing "Tell Me Why" for a world record, certified by Guinness. The event was organized by 'Young Voices in Concert'. Funds from the record-breaking attempt were donated to the Sargent Cancer Care for Children.