Episode 3: “Priest of Death”, Scene 4: Council Chamber at the Louvre

On these albums

Doctor Who: The MassacreJohn Lucarotti starring William Hartnell & Peter Purves · 1999Soundtrack

Doctor Who: Adventures in HistoryWilliam Hartnell, Patrick Troughton with linking narration by Peter Purves & Frazer Hines · 2003Soundtrack

Doctor Who: The Lost TV Episodes - Collection TwoVarious Artists · 2011

Source: MusicBrainz recording 29bc481e-ef10-4312-a517-16e6131e648b (CC0).