1. Are you Brooklyn's biggest Barbra Streisand superfan? Enter to win two tickets to Barbra's "Back to Brooklyn" appearance at Barclays Center by showing off your inner Streisand. Five finalists will be selected by a guest panel of judges to perform a Streisand track of their choosing. Streisand impersonator Gayle Robbins and Borough President Marty Markowitz are slated to attend. Albee Square, Dekalb Avenue at Fulton Street. Sat., Oct. 13. Registration begins at 3 p.m. Free.
2. Ubuntu with Jamie Philbert explores music, and rhythm through movement games, drumming, song, and interactive stories. For early walkers age 12 to 18 months. Cumbe, 558 Fulton St. 9:45 a.m. $13.
3. Creative director Steven Cosson and composer Michael Friedman present Paris Commune, a revival of the radical cabaret of 19th century Paris. Be prepared to learn some history about the first socialist revolution in Europe told through plot and song. Brooklyn Academy Music, 30 Lafayette Ave. 7:30 p.m. $20.
4. Fusing the visions of composer Joseph C. Phillips Jr. and choreographer Edisa Weeks, To Begin The World Over Again eloquently explores questions of freedom, democracy and what it means to be an American with readings of the collected works of Thomas Jefferson. Irondale Center, 85 S. Oxford St. 8 p.m. $20.
5. Alternate side parking rules are in effect.