This is where you’ll find appropriate tips:

Trombone

The Trombone Slide and Its Magical Sixth Stop

Flute

General topics

Music theory - Scales, intervals circle of fifths

General topics

Music theory - Chords and improvisation

General topics

Music Has A Profoundly Beneficial Effect

General topics

The Renaissance of Music Societies and Music Academies

General topics

Sound Engineering for Horns

General topics

Tontechnik für die Blasmusik (2)

General topics

Sound Reinforcement for Brass Players (3) ‘Microphone Set

Saxophon

Trumpet

Trombone