This easily could turn into one of those unforgettable Chicago weekends you can't remember on Monday.
Three distinct tribes converge in town Friday as the White Sox and Cubs return home from road trips and the Grateful Dead's "Fare Thee Well" concerts hit Soldier Field.
It's B.Y.O.K. (Bring Your Own Karma) for White Sox fans, Cubs fans and Deadheads, with the distinct possibility of rainbows on Sunday.
By weekend's end, some burning questions may be answered:
"What'll be the final encore in Grateful Dead history?"
"Will the Sox get back into contention?"
"Can anyone pull off the unprecedented Cubs-Sox-Grateful Dead triple-header?