Dave's Gone By Interview (7/13/08) – JOHN VALBY (aka Dr. Dirty)

 Dave Lefkowitz chats with novelty-music entertainer John “Dr. Dirty” Valby

 Topics include: comedy, novelty songs.

Segment originally aired July 13, 2008 as part of the "Dave's Gone By" radio program hosted by Dave Lefkowitz.

Dave's Gone By Interview (5/14/11) – MARK RUSSELL

 Dave Lefkowitz interviews satirical comedian Mark Russell

 Topics include: politics, comedy.

 Segment originally aired May 14, 2011 as part of the "Dave's Gone By" radio program hosted by Dave Lefkowitz.