The Complete Solfeggi for Trombone, Guiseppe Concone arr. John Korak. Book and Online material

THE COMPLETE SOLFEGGI

All five groups by the famous master of vocal art in one volume!
Thirty Daily Exercises, Fifty Lessons, Twenty-five Lessons, Fifteen Vocalises and Forty Lessons.
Intermediate to Medium-Advanced.
Excellent material for lyrical phrasing, breath control, endurance.
With glossary of Italian terms and listing by keys.
Good material for early transposition assignments in either the treble or bass clef versions.

The Trombone version is a ninth lower than the trumpet - so that it may be played in octaves with the B-flat trumpet.