Robert Plant, Peter Gabriel To Play WOMAD USA

Neville Brothers, Youssou N'Dour, Steel Pulse, dozens of other bands also on tap at three-day Seattle festival.

INTERNATIONAL BEAT: Afro-Celt Sound System, Baaba Maal, Swap …

Gabriel, Plant guest on Afro-Celt album; Maal to tour U.S.; Swap heads east.