Jacques Heim, choreographer of Cirque de Soleil’s “Ka,” will be featured as a guest choreographer in the Antelope Valley College dance department’s “Dance Dimensions 2007: Gravity Within.” Performances will be at 8 p.m. Friday and Saturday at the Lancaster Performing Arts Center, 750 W. Lancaster Blvd. Heim, who is also founder of Diavolo Dance Co., will join students and faculty in the annual dance concert, which showcases the work of college performers. Tickets are $15 for general admission, $12 for seniors and military personnel, and $10 for students or college employees. Tickets can be purchased by calling (661) 723-5950. 160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set!