VIP grove serving Caprese sandwiches from Central Market and cold Topo Chicos. Avoiding the Tito's. Hydration = survival at ACL. 56-strong Barton Hills Choir sang at Zilker Stage. We chatted after. "Our repertoire was taken from the 80s," one says. Opened with Daft Punk song. Chaparones Jeff and Marni Franzell told me Texas Monthly was going to interview the Barton Hills bunch. Turns out, writer Michael Hall's kid goes to the school. Nice connection. VIP grove demographic both older and younger than gen pop on the ACL field. Kids and gramps savor the shade and refreshments. Jake, 3, Baily, 5, have been to ACL every year with gramps Diana and Jerry Norman. They sported spiky blue and blue-green hair after a visit to Austin Kiddie Limits. Headed back to the press pen. Kathy Blackwell said: "Did you just get here? You look fresh as a daisy." "No, I just haven't gone out in the full sun yet." All anyone can talk about is the impending cold front. In the breeze, it's not that bad today. Humid but cloudy. It's been much, much worse at ACL before, believe me. Well, time to join the music writers out on the field of play.