They do not friggin' aggravate you as much.More and more singer-songwriters from the pop world seem to be hearing that siren song: The trickle of pop and rock stars turning to the stage is fast becoming a flood.Besides Sting and Lauper, stars such as Sheryl Crow, John Mellencamp, Sarah McLachlan, Tori Amos, Edie Brickell, David Byrne, Fatboy Slim, Burt Bacharach, Elvis Costello and The Flaming Lip