Let's say you are in a cover band and one of the songs you choose to play, makes extensive use of a sitar (for example). How much pressure would you put on your guitarist to duplicate the sound of a sitar? If there was a sitar effect available (which there is), would you pressure your guitarist to get one, or at least try one out? Would it make a difference if it was not just in one song, but in two or three of them? Have you ever canned a song because someone couldn't play it the "right" way? Ever get disgusted with a guitarist that won't take the time to figure out his multi-effects pedals?