¹ Compare, for example, Gier, Christina's Singing, Soldiering, and Sheet Music in America during the First World (Lanham, MD: Lexington Books, 2017)Google Scholar or Tyler, Don's Music of the First World War (Santa Barbara, CA: Greenwood Press, 2016)Google Scholar; or, abroad, Mullen, John's The Show Must Go On (Farnham, UK: Ashgate, 2015)Google Scholar or Moore, Rachel's Performing Propaganda (Woodbridge, UK: Boydell Press, 2018)Google Scholar; or international anthologies like Mullen, 's Popular Song in the First World War (Abington, UK: Routledge, 2019)Google Scholar or Magee, Gayle et al. , Over Here, Over There (Champaign: University of Illinois Press, 2019)Google Scholar.

² Until recently, that might not have been true of Karl Muck; but a new study (postdating Bomberger's publication) remedies that omission. See Burrage, Melissa, The Karl Muck Scandal (Rochester, NY: Boydell and Brewer, 2019)Google Scholar.