A new monologue from Spalding Gray, the Asia Society’s Festival of Korea, the Miami City Ballet and cellist Yo-Yo Ma are among the highlights of the UCLA Center for the Performing Arts’ 1993-94 season, opening Sept. 22 at Royce Hall.Some 51 performing arts events representing dance, theater, family entertainment, classical music and jazz will be offered for the 57th edition of the series. The Los Angeles premiere of Spalding Gray’s “Gray’s Anatomy” and the world premiere of Rachel Rosenthal’s performance piece “Zone” headline the theater offerings. The yearlong Festival of Korea, the largest single program of Korean cultural events ever held in the United States, will feature exhibitions, performing arts , films, lectures and family programs. Other season highlights include a solo piano concert by Philip Glass, the Lincoln Center Jazz Orchestra featuring Marcus Roberts, pianist George Shearing with singer Joe Williams in “Just Friends,” and performances by 11 dance companies. Subscriptions for the season can be purchased in discount packages ranging from $ 25 to $ 178. Individual tickets and “choose your own” packages in which patrons design their series will go on sale July 7. More details are available from the UCLA Central Ticket Office at (310) 825-2101.