It looks like the Odéon's ceiling, painted by André Masson, has figures inspired by various tragedians- Aeschylus, Aristophanies, and Shakespeare.

A very small photo and description is at:
http://www.theatre-odeon.fr/english/histor/dates/1959.htm

I think "tragedie" here is used to generally refer to the world of theater, drama, and tragedy- as perhaps you might encounter "Art" capitalized, as in: "His book was about Art." Not a choice I would make, but not all that unusual.

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Note added at 3 hrs 5 mins (2005-02-01 06:15:46 GMT)
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here is a link to Masson\'s work, \"Tragédie,\" which is in the Galerie Patrice Trigano. It\'s a cubist work, so it\'s not entirely clear what exactly is being represented... though it does look to me like a play is being performed.

http://www.artnet.com/artwork/150357/Andre_Masson_Tragedie.h...

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Note added at 3 hrs 5 mins (2005-02-01 06:16:07 GMT)
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here is a link to Masson\'s work, \"Tragédie,\" which is in the Galerie Patrice Trigano. It\'s a cubist work, so it\'s not entirely clear what exactly is being represented... though it does look to me like a play is being performed.

http://www.artnet.com/artwork/150357/Andre_Masson_Tragedie.h...