[Death by Mirrors]

Flights are booked, and the majority has decided to hop to Finland, so Witchchylde can spend a day at the LeBrea Tar Pits uninterrupted. She finds an awesome dinosaur fossil - though no trace of any thieves.

Meanwhile, bluebird, Derpy, Quiet, mdom and Den try to get in backstage at the Hevisaurus concert. A roadie guides them through the building, and indeed for a moment they catch a glimpse of a red coat. Unfortunately then they way is blocked by lots of screaming kids who wave their pencils and notebooks in the air. Apparently the stars of the evening just arrived. Now you can...

stay and watch the concert

https://www.youtube.com/watch?v=E2eXICPPBdQ

search the place for hints

Just as you start to search the yard behind the building, the janitor approaches you. "I heard you're looking for red lady, eh? Ran into her earlier. Had a travel guide with her, but I couldn't see the title. She showed me something she just read. Old civilizations fighting with hornet bombs. Then asked me if I can plan her garden. Told me she wants a volcano in her backyard." He scratches his chin. "Bit crazy, if you ask me. So I say that's impossible, and she says, 'why? We're not talking Mauna Loa here, quite the opposite. I'll be getting a really small volcano.' In my opinion red lady would be better off with a really small dog - but to each his own."

In the grass you find a bar of silver. It seems odd the thief left it behind, but it has her fingerprints on it. Well, maybe there's a lot more silver where she is heading to?