[1] "Mac Tonight Commercial," YouTube video, 0:30, "OffbeatFrontier," April 9, 2010.

[2] Carlino Bill, “Mac Tonight Returns to McD Spotlight This Fall,” Nation’s Restaurant News, August 22, 1988, 4.

[3] Stephen Hinton, Kurt Weill: The Threepenny Opera (Cambridge: Cambridge, 1990), 120.

[4] "Die Moritat von Mackie Messer," YouTube video, 3:51, "La otra sociologia," February 16, 2018.

[5] Peter Ferran, “The Gestus in the ‘Ballad of Mac the Knife,’” Communications from the INternational Brecht Society 26, no. 1 (1997): 58.

[6] Stephen Hinton, 133.

[7] David Cheal, “The Life of a Song: Mack the Knife,” The Financial Times, January 15, 2016.

[8] Sharon Guthrie, “A Body Oozin’ Life: Resurrecting ‘The Ballad of Mack the Knife,’” Journal of Popular Music Studies 19, no. 2 (June 2007): 157.

[9] Terry Teachout, “Mack the Knife--Louis Armstrong (1956),” Library of Congress National Registry, 2015, 1.

[10] Ibid.

[11] "Louis Armstrong sings 'Mack the Knife'," YouTube video, 2:58, "dentelTV2," September 12, 2010.

[12] Bertolt Brecht, Brecht on Theatre, trans. John Willet, The Modern Theatre Is the Epic Theatre (New York: Hill and Wang, 1964), 96.

[13] Sharon Guthrie, 159.

[14] John Gilliand, Pop Chronicles Interview--Bobby Darin, audio recording, November 5, 1967, University of North Texas Librarie, UNT Digital Library.

[15] George Pitts, “Walt Harper, A Story of Success at Home,” New Pittsburgh Courier, December 12, 1959, National edition edition.

[16] "Bobby Darin 'Mack the Knife' on The Ed Sullivan Show," YouTube video, 3:25, "The Ed Sullivan Show," July 5, 2020.

[17] Sharon Guthrie, 161.

[18] Terry Teachout, 1.

[19] "Ella Fitzgerald - Mack The Knife," YouTube video, 4:03, "SweetGeorgiaPeache," May 8, 2010.

[20] Sharon Guthrie, 162.

[21] Stephen Hinton, 135.

[22] "Moon Man," Anti-Defamation League, 2021, https://www.adl.org/education/references/hate-symbols/moon-man.