Missing the old classic jazz music should happen no more if you are specially a listener of French music. Nostalgie Jazz is broadcasting in French language and they are broadcasting with popular and legendary of their time jazz music most of the French musical history with a bit of international mix.
Nostalgie Jazz official website address is www.nostalgie.fr
If the Radio is extremely choppy and stops every 5 seconds, try listen to this Radio at different time.
Not all Radio Stations function for 24 hours everyday. If you can't listen to any Radio, try to listen at different time, as the Radio Station may stop during midnight according to its own country time zone.