I'm sitting in with Clinton on this one. Cat Stevens had a short shelf life with me...I was done with him by the time I was old enough to drink. (which ws 18 at the time).

I think the secret of a being a successful working musician with some kind of taste, is to be able to sing a bunch of songs that most audiences wouldn't think of requesting, but will enjoy and in many cases remember...after the fact...sing em what they need to hear! They'll figure it out.