Säffle Bussen - for Tenor Trombone by Torbjõrn Kroon.
This is a collection of warmups, drills and excersises gathered throughout a long teaching and professional Carreer. Torbjõrn is one of the most successful teachers Scandinavia has seen, having roughly 80% of his students achieving jobs. A true student of life, and a phenomenal teacher. These are his absolute best excercises, and his giving them to you for free - no catch. Enjoy!