So much to do, so much to see, so much to eat. Can you get it all done this weekend?

Sing Along to Mary Poppins

WHAT: Come one, come all to this magical night at Oakland's waterfront cinema. Filmgoers are encouraged to show up in costume dressed as their favorite character (the penguins!) and sing-along to their favorite songs while the classic film Mary Poppins plays on the big screen. Pre-show festivities include costume contests, games, prizes and more! Start the evening early with dinner at one of Jack London Square's waterfront restaurants, or pick up a quick bite from one of the casual eateries to enjoy during the screening.

WHEN: Friday, Sept. 16, 8:30pm

WHERE: Embarcadero West (Oakland), jacklondonsquare.com

Peace in the Park Returns to GGP

WHAT: The 4th annual Peace in the Park returns to Golden Gate Park this weekend to spread its mission of global unity and world peace. Digging it? This year's lineup features world renowned speakers, world music, visual artists, Tai chi, hatha yoga, life-enhancing seminars, kids activities, exhibits by local non-profits, and meditation experiences where individuals can explore a variety of ways to unplug and unwind.

WHEN: Saturday, Sept. 17, 11am-6pm

WHERE: Music Concourse (Golden Gate Park), facebook.com/events

Sound Summit Music Fest. on Mt. Tam

WHAT: Sound Summit returns to the slopes of Mount Tamalpais this weekend for a day of great music with an eclectic lineup featuring Wilco, Los Lobos, Bill Frisell's Guitar in the Space Age, The Stone Foxes, and Matt Jaffe. Charismatic Bay Area radio personalities Murph & Mac (aka Brian Murphy and Paul McCaffrey) return as the day's dynamic masters of ceremonies, while DJ Andy Cabic will be spinning tunes between sets. Proceeds benefit the Mount Tamalpais State Park by Roots & Branches Conservancy.

WHEN: Saturday, Sept. 17, 11am-7pm

WHERE: Mountain Theater, Ridgecrest Blvd. (Mt. Tam), soundsummit.net

A Night at the Drive-In Featuring The Princess Bride

WHAT: On Saturday night, the Anderson Valley Film Society will summon the Dread Pirate Roberts, Inigo Montoya, and Rodents of Unusual Size for an evening of enchantment with The Princess Bride at the Citrus Fair Fairgrounds in Cloverdale. Local fare from Healdsburger, Abbie's Tacqueria, Falafel Fix, and Flour Girl as well as beer and wine from Bear Republic and Mercury Wines will be on hand to make the night complete.

WHEN: Saturday, Sept. 17, 6:30pm

WHERE: I Citrus Fair Dr. (Cloverdale), avfilmsociety.org

National Cheeseburger Day!

WHAT: Sunday is National Cheeseburger Day! Celebrate with Umami's delicious Truffle Burger (truffled aioli, house truffle cheese, truffle glaze) or the classic Umami Burger (parmesan frico, shiitake mushroom, roasted tomato, cartelized onion, Umami ketchup) at Umami Burger Oakland, Paolo Alto, SoMa or the Marina.

WHEN: Sunday, Sept. 18, all day

WHERE: Various locations, umamiburger.com

The Really Really Big Book Sale

WHAT: Book lovers, rejoice! The 52^nd Annual Fall Big Book Sale— the largest used book sale on the West Coast— is back next week with over 500,000 books and media (think CDs, DVDs, and even tapes) all for $3 or less. Proceeds support learning & literacy at the San Francisco Public Library.

WHEN:September 21-25, 10am-6pm

WHERE: Fort Mason Center (Pier 3), friendssfpl.org/events/the-big-book-sale

Bounce Around to Crystal Castles

WHAT: Experimental electronic band Crystal Castles, known for their chaotic live shows, will be performing a very special show with Die Antwoord at the Bill Graham Civic Auditorium next week in support of their fourth studio album AMNESTY. Check them out.

WHEN: Wednesday, Sept. 21, 8pm

WHERE: 99 Grove St. (Civic Center),ticketmaster.com/event/