Rick is the author of "The Loop Files," an oral history of The Loop radio station in Chicago.

Joan Tosoni and Martha Kehoe, directors of the film "If You Could Read My Mind," share their memories of Gordon Lightfoot. www.gordonlightfootmovie.com.

May Pang, who was John Lennon's girlfriend in the early 1970s, talks about her new film "The Lost Weekend - A love Story."

We look back at this iconic album. Mark is the author of many books, including "Pigs Might Fly: The Inside Story of Pink Floyd." More info at www.markrblake.com.

John Gorman arrived at WMMS-FM in Cleveland in 1973. For the next 13 years, as music director, program director and eventually operations manager, he helped transform 'MMS into one of the great FM stations in the country. His book, "The Buzzard" (Gray and Co.), recounts those great days in Cleveland. 

We kick off season two of "Rock Conversations." Johnny talks about his years at WXRT in Chicago, where he continues to work today. He recounts interviews he did with Warren Zevon, Los Lobos and XTC.

Stevie Van Zandt discusses his new book "Unrequited Infatuations" (Hatchette Books and available at www.littlesteven.com) with tales of Bruce and the E Street Band, The Sopranos and much more.

Author Bob Spitz discusses great stories from his new book "Led Zeppelin: The Biography" (Penguin Press). Tales of music, gluttony and more. www.bobspitz.com

Writer Paul Rees discusses his brand new book about John Mellencamp appropriately title "Mellencamp" (Harper Collins). Great stories about John and his music. We also talk about Robert Plant and John Entwistle.

Dan Ozzi is the author of "SELLOUT: The Major Label Feeding Frenzy That Swept Punk, Emo, and Hardcore (1994-2007)" published by Mariner Books at Harper Collins. He offers a unique look inside the record industry and shares stories about the rise of 11 bands, including Green Day, Jimmy Eat World and Blink-182. More at www.danozzi.com. Photo by Anthony Dixon.