What a concert it would be to see Rush and Dream Theater together in concert. Here is my dream set list for each assuming about 2 hours a piece:
Rush
Anthem, Bastille Day, Jacobs Ladder, Tom Sawyer, YYZ, Analog Kid, Headlong Flight, Lakeside Park, Passages to Bankok, Witch Hunt, Bravado, Cygnus X-1, The Trees, 2112(full song), Something for Nothing, Caravan, ByTor and the Snowdog, Working Man, LaVilla Strangiato
Dream Theater
6:00, Metropolis part 1, Burning my Soul-Hells Kitchen, These Walls, Shattered Fortress(I know I am dreaming at this point), Bridges in the Sky, Overture 1928-Strange Deja vu, Honor Thy Father, Under a Glass Moon, Home, Blind Faith, Breaking all Illusions