Dr. Thomas Erdmann and Elon alum Eric Chaiken recently had the two books they edited (which were unpublished and recently discovered by Dr. Erdmann) by Sigmund Hering posthumously published by Carl Fischer Publishers. They are – Double and Triple Tonguing, A Complete Approach for Trumpet, and Studies on Ornamentation for Trumpet. Sigmund Hering is the world’s most published trumpet pedagogue.