Philippe Decae, after WW II, played with the bands of Roger Rose, Bill Alexandre, Vicky Down and Robert De Kers.
He joined the big bands of the RTBV, led by Henri Segers, the BRT Orchestra led by Francis Bay, then Freddy Sunder.
He played with Fud Candrix, Janot Morales, Alex Scorier, Johnny Dover and many musicians of the post WW II generation in Belgium.
He was a member of Herman Sandy's Brussels Jazz Gang, with Constant Letellier (clar.), Marc Merciny (tb), José Bedeur (b) and Rudy Frankel (drs).