Chaim Weizmann | Chaim Topol | Chaim Soutine | Chaim Kanievsky | Yeshiva Rabbi Chaim Berlin | Mike Tannenbaum | Chaim Herzog | Yaakov Chaim Sofer | Chaim Gingold | Yosef Chaim | Emmanuel David Tannenbaum | Chaim Zhitlowsky | Chaim Rapoport | Samuel A. Tannenbaum | O Tannenbaum | Operation Tannenbaum | Nahshon Even-Chaim | Judith Tannenbaum | Frank Tannenbaum | Chaim Yitzchak Bloch Hacohen | Chaim Yisroel Eiss | Chaïm Soutine | Chaim Shemesh | Chaim Rumkowski | Chaim Pinchas Scheinberg | Chaïm Perelman | Chaim Loike | Chaim Kreiswirth | Chaim Halberstam | Chaim Gutnick |
Performers on the album include Kate's son and daughter Rufus and Martha, Anna's husband Dane Lanken and their children Lily and Sylvan, and Kate and Anna's sister Jane, as well as Emmylou Harris, Chaim Tannenbaum, Pierre Marchand, Joel Zifkin, Brad Albetta, Teddy Thompson and Beth Orton.
Several of the McGarrigle sisters' friends and collaborators, including Emmylou Harris, Linda Ronstadt, Chaim Tannenbaum, Joel Zifkin and Philippe Tatartcheff, also appear on the album.
Among the participating artists honoring her at these concerts were Martha Wainwright, Rufus Wainwright, Anna McGarrigle, Emmylou Harris, Norah Jones, Antony Hegarty, Jimmy Fallon, Krystle Warren, Justin Vivian Bond, Teddy Thompson, Jenni Muldaur writer Michael Ondaatje and longtime friends and McGarrigle sidemen Chaim Tannenbaum and Joel Zifkin.