Recent events I added to Upcoming.org:
Brick City Burlesque
Symphony On The Rocks: Colorado Symphony Orchestra with Scott O'Neil, Associate Conductor
Counting Crows with Augustana plus special guests
Rock The Bells 09: Nas & Damian Marley with Busta Rhymes, Big Boi, Talib Kweli, Hi-Tek and more!
Mountainside Mardi Gras: Dr. John & The Lower 911 with multiple New Orleans-based acts
Pacific Northwest Mouse Meet
Beatles 45th Anniversary Concert: "1964" The Tribute with no opening act