It’s Friday night on the corner of 16th and Valencia in San Francisco’s Mission District. Shops are closing up and folks that live out here are settling into vacant doorways. The traffic on the street sounds frustrated; revving, waiting, and beeping as the last of the commuters surface from the BART station and breeze by.

This is Audiograph — the Bay Area’s sonic signature. We’ll play you a sound recorded somewhere in the Bay Area. Your job? Listen to the sound in the player above, figure out where it was recorded and what it is, then call to let us know.

All week long, we played this sound and asked you to guess what exactly it was and where exactly in the Bay Area we recorded it.

On a fall evening at Stanford Stadium in Palo Alto — better known as “The Farm” — college-football rivals UC Berkeley and Stanford meet for their annual showdown at the 120th “Big Game.” The stadium is divided in half, with Cal fans in blue and gold on one side, and Stanford in Cardinal red on the other. Chants and cheers can be heard throughout the crowd. The band always wins Even with all the action taking place on the field, it is hard not to notice the full concert going on by the end-zone

Alemany Farmers Market started during WWII to support rural farms near San Francisco. Throughout the market’s evolution, its maintained modest prices, diverse customers, and a “local first” attitude towards selling produce. You’ll find an assortment of Latin and Southeast Asian ingredients unlike anywhere else, and it’s open every Saturday, all year long.

Today on Crosscurrents: How one Bay Area school district is offering families extra support so kids get to school on time every day. Inside Real Guitars, the oldest vintage guitar shop in the city.

Buried deep in Stanford Hospital is a network that’s a little more Jules Verne than Silicon Valley.

Corgi Con is a semi-annual celebration of short, sausage-shaped dogs called Corgis. Hundreds of dogs and their families descend on Ocean Beach for a day of events and festivities.

Here's the sound we played as a clue. We asked you to guess what exactly it is and where exactly in the Bay Area we recorded it. Listen above for the full answer.

Here's the sound we played as a clue. We asked you to guess what exactly it is and where exactly in the Bay Area we recorded it.