Jim Jones Review and Kitty, Daisy And Lewis will also play the one day event
The Magic Numbers are set to headline the one day Tapestry presents… Supersonic Sunday event on July 4.
The mini-festival will take place in a Victorian walled garden at Shenley Park in Hertfordshire.
Joining The Magic Numbers on the bill will be The Jim Jones Review, Kitty, Daisy and Lewis, The Trembling Bells, Zun Zun Egui, Oldboy and The Blacklist.
This will be the first festival in two years put on by the Tapestry monthly club night, which takes place in Euston, London.