New Line Theatre, "the bad boy of musical theatre," opens its 26th season of adult, alternative musical theatre with the world premiere of a new revised version of the wild, 1969 adult jazz-rock musical CELEBRATION, by the creators of The Fantasticks , running Sept. 29-Oct. 22, in the company's new home, the Marcelle Theater, the new blackbox theatre in Grand Center, St. Louis' arts district.