Hering Sigmund - Double & Triple Tonging Μία Oλοκληρωμένη Προσέγγιση Για Tρομπέτα ΠEPIEXOMENA About Sigmund Hering Introduction by Dr. Thomas R. Erdmann Triple Tonguing (Exercises 1-23) Largo al factorum from the Opera The Barber of Seville (Goachino Rossini) Triple Tonguing (Exercises 25-41) Etude I (Sigmund Hering) Double Tonguing (Exercises 43-74) The Slur and Double Tonguing (Exercises 75-96) Etude II (Sigmund Hering) Etude III (Sigmund Hering)