Cary Baker’s annual Conqueroo Party at SXSW is once again a smorgasbord sample bag of what Austin has to offer during SXSW. Australia’s Henry Wagons and Anne McCue will play the 2013 event as well almost-Aussie Steve Poltz. Mike Scott and Steve Wickham of The Waterboys, Willie Nile, James McMurty and Billy Joe Shaver are