5 Things You Need to Know Today: Grand Army History Tour, Kids Environmental Concert, Yoga for Men, More

1. You need to use your brain. Head to the library for a screening   a documentary  that follows an immigration bill though Congress giving an inside view of the inner workings of The Hill.  1:30pm , free.

2. You need to learn the history of your neighborhood. Head to the Grand Army Plaza Arch for that will cover not only the Plaza and its Arch but also the Montauk Club and some of the mansions of Prospect Park West. Wear comfortable shoes and bring water. 11 a.m. Free.

3. You need (manly) yoga. , 348 Saint Marks Ave. at Washington is offering , a Vinyasa Yoga workshop specifically catered to the male body's challenges, strengths, and interests. 3:00pm–5:00pm. $20 in advance or $25 at the door.

4. You need to get the kids out of the house. Head to the , for the concert  led by singer- songwriter Patricia Shih. 1 p.m. and 2 p.m., all ages, Free with museum admission ($7.50 for adults and kids 12 months and older). Or, see our .

5. You need to know if your train is running, and if you have to move your car. There will be no Q trains running between Prospect Park and 57 Street through 5 a.m. Monday, this weekend, according to the MTA. If you want to get to the city, your best bet is to walk or take the 2 or 4 to Altantic Avenue and catch the N-train. If you're going the other way, take the Frankin Avenue Shuttle to Prospect Park, or catch the free shuttle bus, which makes stops at Prospect Park, 7 Av and Atlantic Av-Pacific St. There will be no suspension of alternate side until next week, when we get a huge reprive thanks to Passover, Holy Thursday, Good Friday and Easter. Alternate Parking will be suspended April 19-26, according to the NYC DOT.