You can hear him on Spotify.
Peter Ewers is a German organist, musicologist and psychotherapist. He served as assistant organist at the Paderborn Cathedral from 1991 to 1996.
Just play! An invitation to improvisation
Peter Ewers: Les Planètes, Improvisations
He has four albums available at:
Peter Ewers – Organ improvisation – La Madeleine, Paris
Peter Ewers – Méditation on “Dich liebt, oh Gott, mein ganzes Herz” – St-Aposteln, Cologne