1985 – Berlin : the wall has not falled yet. Connection Music-Painting at the Kunsthalle « Nature and Apocalypse according to Ouhi Cha ».

1988 – cosmology, eyes lost in the stars. « Arcane » finally has its true face.

1993 – « Annees – lumiere » and the Paris Orchestra : « foam light unceasingly saturating our stillness ».

1994 – Japan... its Zen gardens... its earth tremors that tear the body.

1996 – Lao Tseu, Pascal, Jabes, the Man in the Universe. Return to the source. « Desert ».

1998 – « light of the infinite blue broken at the tears of self »
« Satori » and its haunting spiral lines.

2002 – the magic of computers... limitless anacoluthic encoding around OpenMusic.

2004 – fascination for geometrical lines, symmetry, Mandalas, and for the art of arabesques, geometrical patterns of the Muslim world.