Jewish Singles Mingle... Get your groove on to kick off the Hanukkah festivities at the annual Rocky Mountain Chai Ball this Christmas Eve. Jewish singles and couples in their 20s, 30s, and 40s are welcome. Sat, 8 p.m.- 2 a.m. Club Rise, 1909 Blake St. Tickets $18; arrive before 10:30 p.m. and receive a VIP pass and free drink coupon. For more information, visit www.rockymountainchai.org. Last Chance Before You're Scrooged... Join everyone's favorite humbug for a holiday classic with a new musical twist: Charles Dickens' A Christmas Carol shines with a little song and dance to bring on the Christmas cheer. Wed-Sat. Show times vary. Denver Center for the Performing Arts, 1101 13th St. For more information or for tickets, call 303-893-4100 or visit www.denvercenter.org.