Plan Ahead: Next Weekend

* Theater. “Broken Hearts: A B.H. Mystery,” presented by Cornerstone Theatre, opens Nov. 20 at Los Angeles Theatre Center, 514 S. Spring St., Thursdays through Saturdays, 8 p.m.; Sundays, 2 p.m. through Dec. 12. Dark Nov. 25. $8 to $10, but no one turned away for lack of money. (213) 485-1681.

* Dance. Veteran locally based contemporary dancer-choreographer John Johnson presents his choreopoem “Coming of Age: The Millennium” on Nov. 20 at 7:30 p.m. in the Village at Ed Gould Plaza, 1125 N. McCadden Place, Hollywood. $20 to $35 (higher price includes reception). (213) 382-1062.

* Classical Music. Music Director Jeffrey Kahane leads the Los Angeles Chamber Orchestra in performing all six Bach Brandenburg Concertos Nov. 19 at UCLA’s Royce Hall and Nov. 20 at Glendale’s Alex Theater, 216 N. Brand Blvd. $13 to $50. (213) 622-7001, Ext. 215.