The principle element in a performance is risk, and if you're losing interest then by scaring yourself to death the audience will feel it and boy it'll wake them up.
Leo KottkeWhen the audience is awful you can still have a great night and people will walk out thinking they had a great time even though there was loads of loudmouths and the sound was terrible.
Leo KottkeI think that open tunings are a trap really because it's really hard not to sound like an open tuning when your using one and that gets old as well as what you learn in one open tuning is going to stay there.
Leo Kottke