To work successfully as a brass player, one must start with the right breathing. For years, Erik Hainzl has dealt with this topic and developed exercises that he now makes available to all those interested in a book.
Due to the great popularity of the trombone school by Erik Hainzl, there is now the version for trumpet / tenor horn in treble clef. Mostly new exercises around the topic approach, breathing summarized in a book. -the publisher