We explore “New Speedway Boogie,” the last song on Side 1 of the Grateful Dead’s Workingman’s Dead, examining how the song grew from the disastrous 1969 free festival at Altamont headlined by the Rolling Stones, and listen to never-heard session outtakes from “Mason’s Children.” GUESTS: Bob Matthews, Sam Cutler, Gary Lambert, David Lemieux, Buzz Poole, Mike Johnson, Brian KehewSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.