Among the correspondents in this folder are: Allen Koenigsberg of Antique Phonograph Monthly, concerning a review of Pioneers in Brass in his magazine; Norman E. Hinkel; Arthur Lehman (several); Walter I. Kaville, regarding the progress of his book on the golden age of bands; Thomas C. "Tom" Bardwell (2 letters) about the Robert Browne Hall Memorial Band Tape Anthology, which consisted of more than 600 miles of tape recordings of town, municipal and organizational bands, world-wide; John A. Johnson, regarding Sousa and some of his players; Paul E. Bierley (2 letters), regarding Bridges' new address and a Sousa concert in 1926 as well as the status of Bierley's book on Sousa; Henry J. Romersa about the upcoming National Trombone Workshop in Nashville in late May; a list titled "1973 ITA Workshop - Trombone recordings re-recorded on tape from personal collection owned by Glenn Bridges"; and Alvin J. Bernard (2 letters) about the newly revised Pioneers in Brass.