This Day in Rock & Roll History 7.29.22 July 29th, 2022 | by: Rich Kimball http://www.downtownwithrichkimball.com.s3.amazonaws.com/wp-content/uploads/2022/07/29172457/Mighty-John-2022-07-29.mp3 Mighty John Marshall fills us in on the big musical moments of July 29th.