“In its 19th year, SXSW, which started on Wednesday, has broken attendance records. Four days and nights of panel discussions at the Austin Convention Center and showcase gigs at 60 venues around the city have drawn more than 1,300 bands, 8,000 paid registrants and 1,600 journalists from around the world. That isn’t counting the thousands of people who come just for the parties and the unofficial shows…”