Here are a couple of demos from the past year which feature some of St. Louis' up-and-coming hardcore/punk bands. You can either stream or download their demos for free via bandcamp and mediafire respectively.
Better Days - Remember Positivity?
Better Days - Songs About Drinking (streaming)
The Mondales - For The Pop Punkers
The Mondales - Ackley (streaming)
Out Of Time - Breakdown / Bring The Mosh Hardcore
Out Of Time - Demo (streaming)
Out Of Time - Demo (download)
Rites Of Impiety - (Members of Goat Bris & Totally Gay Cop) - Ritualistic Black Metal
Totally Gay Cop - (Featuring Juice Box & Member of Spelling Bee) Nihilistic Anti-Cop Punk
Totally Gay Cop - ACAF Demo (streaming)
Totally Gay Cop - ACAF Demo (download)
Trauma Harness (Members of Egg Chef & Shaved Women) - Weirdo Punk
Trauma Harness - Trauma Demolitional (streaming)
Who Fucking Cares? - Hardcore Punk
Who Fucking Cares? - s/t (streaming)