We're putting together a list of Chicago bands on Twitter, as a companion to this list of 406 international acts who use it. We most likely missed one or two; add more in the comments, or by DMing us on Twitter.
Andrew Bird
Animate Objects
Big Sky
Chicago Opera Theater
Chicago Symphony Orchestra
Common
Cotlife
DJ Heather
Eighth Blackbird
The Fold
The Frantic
Helicopters
Hood Internet
Kid Sister
Lost Cartographers
Morris Mills
Snows Era
The Sweeps
Treaty of Paris
Copyright Trans - Transmission