I think most artists would be happy to have bigger audiences rather than smaller ones. It doesn't mean that they are going to change their work in order necessarily to get it, but they're happy if they do get it.
Music in itself carries a whole set of messages which are very, very rich and complex, and the words either serve to exclude certain ones or point up certain others.
Musicians are there in front of you, and the spectators sense their tension, which is not the case when you're listening to a record. Your attention is more relaxed. The emotional aspect is more important in live music.
I do sometimes look back at things I've written in the past, and think, 'I just don't remember being the person who wrote that.'