Laurel and Hardy | Jack Kerouac | Jack Nicholson | Thomas Hardy | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Jack Kirby | Françoise Hardy | Jack Lemmon | Jack Black | Jack Abramoff | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Jack White (musician) | Jack and the Beanstalk | Jack Johnson | Jack Charlton | Oliver Hardy | Jack Palance | Jack Daniel's | Jack | Jack Paar | Jack Layton | Jack Straw | Jack Vance |
Christian was frequently an opener for acts including Pete Seeger, Jack Hardy, John Gorka, Odetta, Cheryl Wheeler, and Livingston Taylor, at venues like Godfrey Daniels, Passim, Eddie's Attic, The Iron Horse, and Freight & Salvage.
Other regular contributors to the workshop included Carolyne Mas, Jack Hardy, Tom Intondi, David Massengill, Ray Korona, Cliff Eberhardt, Steven Brant, Lucy Kaplansky, Rod MacDonald, and Michael Fracasso.