Elvis Costello has been announced as one of the speakers for the SxSW Music Conference in Austin, Texas next month. Costello, who is due to release two books in the coming year, will discuss his career with music writer Bill Flanagan. Also, Shaun Fanning, Napster founder and now CEO of SNOCAP, will address the audience on the Friday of the conference. The keynote speaker for the event is Led Zeppelin's Robert Plant. Brian Wilson and Erykah Badu has also been confirmed as speakers. The music conference at SxSW will take place from March 16 - 20 in Austin, Texas (by Paul Cashmere)