I ripped some of my favourite local screamo/mathcore bands (from the 2000's) to YouTube. I doubt anyone here will know them, but they're definitely worth checking out if you're into that type of music. All of these bands would've/could've been much bigger if they had lasted longer. Raise Them And Eat Them signed to a big label, but broke up right away, forget which label it was. Separation Suicide as well. All these bands broke up like a decade ago or more.
Kill Mannequin - If Time is Money. Take My Wallet
Katja - Diapsalmata
Katja - Design for Dereliction
When I was looking for pictures to make these videos I found this one (from the show I went to) Circle Takes The Square, Japanther, Raise Them and Eat Them and Arkata. I even found the flyer, from a blog for local bands run by a guy I sort of know.
Arkata - Lesbian Nerds on 10 Speeds
Raise Them And Eat Them (Short-lived supergroup featuring memebers of Katja & The Abandoned Hearts Club
The Separation Suicide - They remind me of Everytime I die, but a much more HC punk version, with less metal influence. Solid band.