The Early Word: Sigur Rós at Celebrate Brooklyn

1. There are some bands that just belong on the outdoor stage. Such is to Prospect Park for a sold out one night-only appearance Tuesday evening. Inní mér syngur vitleysingur. Prospect Park Bandshell, PPW at 9th Street (Park Slope). 7 p.m. Sold Out.

2. Want to expose the little ones to new cultures and languages? Clinton Hill Library's seems like a perfect place to start. Taught by volunteer teachers from Pratt Institute. Clinton Hill Library, 380 Washington Ave. 2 p.m. Free.

3. BAM Cinema Club members and a guest are invited to , a classic psychodrama starring Teresa Wright and Robert Mitchum. BAM Rose Cinemas, 30 Lafayette Ave. 6:50 p.m. Free with membership.

4. Join the fabulous Shelly Watson for featuring $2 cans of PBR and an all-inviting neighborhood at-mo-sphere. Mo's Fort Greene, 80 Lafayette Ave. 9 p.m. Free.

5. Alternate side parking rules are in effect.