In 1991, jérôme Chassagnard and régis Baillet started their sound explorations as a unit named Ab Ovo (latin "from the egg"; in litterature, the practice of beginning a poetic narrative at the earliest possible chronological point).

The first aural experience that was produced for the public was the cd, 'panorama 94-96'. This set the scene for future ab ovo releases - such as 'strates' (1998) and 'triode' (2000). Every release is an evolution of sound - each cd has more of an electronic influence than the previous. However, this influence is skilfully mixed with noise-tunes and melodic structures.

Four years have passed since 'triode', and now the current state of the project's evolution can be heard on ant-zen's first ab ovo release: 'le temps suspendu...'.