AustinSurreal’s Matt Sonzala continues his '08 rolling rap show with two big gigs over the next seven days. Despite the bevy of contacts he brings with him from Houston, Sonzala balances between the gimme shows (Bun-B a day after II Trill dropped) and freewheeling, throwing his clout behind acts that wouldn’t normally come to or draw a crowd in Austin, like the Palestinian rappers who played here in May. The first show – Saturday night at the Whiskey bar – is more the latter. Ice Mike is far from a household name in rap, but the New Orleans bounce sound that he helped to cement some 15 years ago has resonated in the mainstream since, from that platinum late 90’s Cash Money sound to the Baton Rouge scene that is just now hitting nationally. Largely, though, N.O. bounce remains a strictly regional sound, as no big names ever resurrected it to the same degree as Baltimore club....