After becoming a professor of philosophy in the early 80s, he picks up the thread of electric music within the collective Last Tape, matrix Kat Onoma cult group which Rudolph is the prime contractor on vocals and guitar radioactive . From 1986 to its separation eighteen years later, this flagship of French rock cultivates seven albums a haunting music, subtly infused with tense blues, jazz chiaroscuro, urban folk and skittish post-punk. Between bone and muscle, dusk. A racy music, definitely.