The town's railway station is connected directly to Paris, Toulouse, Limoges, Lille a number of other regional destinations. The festival site is around a 20 minute walk from the station.
Brive has its own airport, actually located around 16km south of the town. It is possible to fly to here from Aurillac, Lyon, Paris-Orly, Ajaccio and London-Stanstead.
You can also fly to Limoges from airports in France and the UK. From Limoges Airport, you will need to get a taxi to the city's station, followed by a train or bus to Brive-la-Gaillarde.
The nearest major airport is in Toulouse, from there you head into the city centre, and then catch a train or bus to Brive-la-Gaillarde.
Yes, nearby (paid) parking will be available at La Guierle underground car park. Alternatively, there will be free parking at 3 Provinces, around a 10 minute walk from the festival site.