On this episode of The Chronicle's Total SF podcast: Longtime Castro Theatre organ player David Hegarty got a scare earlier this year, when Another Planet Entertainment took over operations of the 100-year-old cinema and the future seemed unclear. But the music will go on — the Castro is continuing to employ Hegarty, has been screening movies and a new generation will get to hear "San Francisco" before every show. Hegarty talks about his start as an organ player (including a stint at Pizza & Pipes) and the new digital organ for the theater that is close to reality. Produced by Peter Hartlaub. Music is "The Tide Will Rise" by the Sunset Shipwrecks off their album "Community" and cable car bell-ringing by 8-time champion Byron Cobb. Follow Total SF adventures at sfchronicle.com/totalsf Fifth & Mission will return with new episodes on July 11. Learn more about your ad choices. Visit megaphone.fm/adchoices