Legendary Producer/Engineer Jack Douglas died Monday at the age of 80, bringing to a close a career that saw him shepherd classic albums from artists like John Lennon, Aerosmith, Patti Smith and Cheap Trick, to name only a few. Today, we sift through the Mix archives to look back at some of the projects he was involved in over the years. Mix SmartBrief will return to its usual format on Monday.

By Matt Hurwitz. John Lennon's top-10 hit, "Watching the Wheels," was among producer Jack Douglas' favorite songs on the former Beatle's final album, a collaboration with Yoko Ono, Double Fantasy.

By Robyn Flans. "Walk This Way" likely would not have come to be if Aerosmith hadn't gotten itchy in the studio and decided to go to the movies.

By Matt Hurwitz. Jack Douglas Producing Aaron Smart, With Mixes by Shelly Yakus, Jay Messina and the Late Geoff Emerick

By Clive Young. Everyone thinks of John Lennon as a Beatle or Songwriter or Musician or Activist or Wit; today, on the 41st anniversary of his passing, let's look at his work as a Producer.

By Steve Harvey. Producer and engineer Jack Douglas, whose created classic albums with John Lennon, Aerosmith, Cheap Trick and a host of others, has died.