For the bigger, nationally recognized acts (and some local/regional acts, too) check out the events calendars for

the Coastal Credit Union Music Park at Walnut Creek in South Raleigh,

Martin Marietta Center for the Performing Arts in DTR,

Koka Booth Amphitheatre in Cary,

North Carolina Museum of Art (yes they have concerts) in West Raleigh,

PNC Arena in West Raleigh,

and Red Hat Amphitheater in DTR.