Project 21 trombones in the 21st century
9:41
The bones from Brazil
34:08
Opening concert Slide Factory 2007 – International Trombone Festival Europe
27:09
CSU Schwob Trombone Ensemble at ITF 2017
20:47
Koperkwintet van het Concertgebouworkest - Empty Concertgebouw Sessions
25:33
Blue bells of Scotland Trombone Competition
4:20
Visiting Bart van Lier (English subs)
5:21
Urbieplicity - 21 trombones (New Trombone Collective & friends) with Mark Nightingale
15:18