This Day In Rock & Roll History 5.20.22 May 20th, 2022 | by: Rich Kimball http://www.downtownwithrichkimball.com.s3.amazonaws.com/wp-content/uploads/2022/05/20162223/Mighty-John-2022-05-20.mp3 Mighty John Marshall fills us in on the key musical events of May 20.