Very little. I actually saw the Jam at the Embassy Cinema on Western road in 77. They had the same energy as The Clash and Dr Feelgood but they were a mod band. Not that the (punk) audience cared. To be honest the Jam were treated with a bit of suspicion (it was extremely tribal back then) ny...
Quite. I revisited them last year and find a great deal to enjoy. Sandinista is probably my favourite (great guest appearances from Michael Campbell and the folk singer whose name momentarily escapes me).
I was lucky enough to see them in Brighton, with a guest appearance from Pete Townshend...