The organizers of the Austin City Limits Festival work hard to balance the ticket with headliners, not-quite headliners, and a big smattering of up-and-comers to fill out the program and make sure fans have almost ten full hours of music each day. While the big names who close out each night are incredibly famous, the odds are that even the most voracious music lover hasn’t heard of every act booked at noon on Saturday. Most of those artists are local Austin- or Texas-based musicians who are at the very start of their careers; many of them don’t even have a full album out yet. But sifting through the dozens of unfamiliar names is a lot of work for even the most dedicated fan, especially because…