Sergio gave me an idea...
There's a lot of FULL concerts appearing on Youtube these days so feel free to post / embed any you've come across:
Marvin Gaye Live In Montreux 1980: (Thanks to Sergio for this one)
Thin Lizzy Sydney Opera House October 1978:
Gary Moore - Blues For Jimi 2007:
Pink Floyd - Delicate Sound Of Thunder:
If any of these are not available in your country let me know.