Performing Venues and Orchestras for Classical Concerts:
St Louis Symphony at Powell Hall 
stlsymphony.org
Saint Louis Cathedral Concerts
cathedralconcerts.org
Metropolitan Orchestra of St Louis
metro-orch.org

Smaller Venues: some with varied musical styles:
The Sheldon Concert Hall
sheldonconcerthall.org
DUC Chamber Series at Wash U
music.wustl.edu
Chamber Music Society of St. Louis
chambermusicstl.org
Webster University
Music department events
​Touhill Performing Arts Center
touhill.org

Outdoor Concerts: free
Gateway Festival Orchestra (July) at Washington University 
gatewayfestivalorchestra.org

Community Orchestras: closer and lower cost (some are free)
University City Orchestra various venues in U City
ucso.org
Saint Louis Civic Orchestra at Logan Chiropractic College 
stlco.org 
Saint Louis Philharmonic at Logan and Lindenwood
stlphilharmonic.org
Town & Country Symphony Orchestra at The Principia
tcsomo.org