LARGE BORE VS MEDIUM BORE Trombone - 5 COMPARISION TESTS
2:24
Large bore vs. small bore (jazz) trombone
13:40
Trombone Lessons - What are the differences between Small Bore, Large Bore and Bass Trombones?
8:00
Nella Foresta Umbra del Gargano - Robbert van der Lek
11:03
GETTING GREAT TONE ON TROMBONE - Tips on how to improve your sound
7:07
Q Series Valve Comparison
9:38
what trombone did J.J. Johnson play?
8:42
Large Bore Vs. Small Bore Tenor Trombone
14:00