Psyckose, for trumpet unaccompanied, retranscribed the feelings of a personbelieving to be constantly followed in the street or somewhere else.

Thiscomposition is based on a matrix of 3 notes (D, Bb,G#) from which, is developedall the thematic material of this piece having subject to (or not) severaltransformations inspired by the serial music (mirror, retrograde,permutation...). Of all this, gets free of it a range by tone on D.

Thegeneral form is A B A’: Sonata form in the french – slow / fast / slow -