The musical evolution of the city of Chicago from 1950s to the 1980s; the Foo Fighters connect with At Electrical Audio studio owner Steve Albini; Cheap Trick's Rick Nielsen joins the band to record the first song on their new album.

Dave Grohl sits down with Trouble Funk's Big Tony Fisher to discuss go-go, and explores its origins with Chuck Brown; interview with Inner Ear Studio owner Don Zientara.

The band heads to Nashville, Tenn.; Dave sits down with Dolly Parton, Tony Joe White, Willie Nelson, Emmylou Harris and producer Tony Brown to discuss Nashville's musical influences; the Foo Fighters prepare to record at Southern Ground studio.

Foo Fighters prepare to record at the Austin City Limits Studio; Dave Grohl chats with Terry Lickona, the executive producer of "Austin City Limits"; examining the roots of Austin's music scene.

Dave Grohl visits legendary KROQ disc jockey Rodney Bingenheimer, owner of a 1970s Sunset Strip club that became the hub for the glitter rock scene; Foo Fighters head to the desert to record with Eagles guitarist Joe Walsh at Rancho de la Luna.

Dave Grohl discusses New Orleans' unique history with Dr. John, Allen Toussaint, Cyril Neville and Trombone Shorty; Dave bonds with Ben Jaffe, leader of the Preservation Hall Jazz Band.