Chris Willman Senior Music Writer and Chief Music Critic Doja Cat has rarely turned in an uninteresting or unprovocative performance, and her headlining set Sunday night at Coachella offered a plethora of looks and concepts designed to prompt dazzlement and debate among the viewing audience. Dinosaur skeletons? Mudbath choreography? Twerking Yetis? Her hour-and-a-half set just about had it all… Well, everything except for her biggest pop hits, like “Say So” and “Kiss Me More.” Familiar older songs were notably MIA from a setlist that included 12 songs from her 2023 “Scarlet” album, with its determined focus on her rapping side, and four more from the deluxe edition, “Scarlet 2: Claude,” that just popped.