Fontessa has been played on NTS shows including Janie Jones, with Necernomicon first played on 15 June 2025.

Frank van der Kloot formed Fontessa in 1973, together with Shel Schellekens a drummer with whom he previously played in a band called Drama. In 1974 they recorded an album and a year later a single was released, A look in your eyes/Where have you been. After the decline of Fontessa Van de Kloot recorded a solo album, in 1976, also titled Fontessa.