What's the story behind North Beach and San Francisco's official instrument? Accordion player Tom Torriglia and San Francisco Italian Athletic Club chief operating officer Nick Figone join Total SF hosts Peter Hartlaub and Heather Knight to explain the history of North Beach, take some accordion requests and talk about the Festa Italiana street festival coming up on Saturday and Sunday June 3-4. The festival will feature accordion music, pizza tossing, a children's activities and beer and wine. More information at www.sfiacfoundation.com Produced by Peter Hartlaub. Music from the Sunset Shipwrecks off their album "Community," Castro Theatre organist David Hegarty and cable car bell-ringing by 8-time champion Byron Cobb. Follow Total SF adventures at www.sfchronicle.com/totalsf  Learn more about your ad choices. Visit megaphone.fm/adchoices