Santigold will pay this year's Underage Festival
Santigold - formerly known as Santogold - leads the list of new additions set to play this year's Underage Festival.
Also confirmed to play are The Horrors, Patrick Wolf, Mystery Jets and Flashguns.
The event takes place at London's Victoria Park on Sunday 2 August with tickets on sale now.
As previously reported bands already confirmed for the under-19s bash include Ladyhawke, Metronomy and The Pigeon Detectives.