I always thought it was Pearl Jam (or at least my CD covers say it is), but if we really are talking about pear jam, I should make some toast to go with it.
Actually I'm curious. Is a jamboree someone who has to suffer the attentions of a jam bore? I only ask because I feel all threads should benefit from some small degree of clarity and we've seen what happens when terminology is misused in the setting of an international forum before. But I ramble...