This Day in Rock & Roll History 6.30.23 June 30th, 2023 | by: Rich Kimball http://www.downtownwithrichkimball.com.s3.amazonaws.com/wp-content/uploads/2023/06/30163605/Mighty-John-2023-06-30.mp3 Mighty John Marshall tells us all about the big music events that have happened on June 30th.