While a number of studies about music during the Great War have recently appeared, little has been written about composers and orchestras functioning within the armed forces. Fernand Halphen was a little-known French composer who served his country by directing-and writing music for-a territorial regimental band. Halphens personal papers, which include a rare booklet recording the repertory and performances of his band, offer a rarely viewed glimpse of musical activities near the Western Front.