Let's see...

Amy Grant
Kathy Trocolli

Garth Brooks/Trisha Yearwood
Alan Jackson/Leann Rimes
Travis Tritt/Sawyer Brown

No Doubt/Goo Goo Dolls/Bush
Chicago/Crosby, Stills and Nash
Harry Connick Jr. (2)
Duran Duran (free concert)
Kansas (free)