In the following two posts, jazz musician and educator George Colligan speaks to the issue of valved low brass instruments in the context of performing jazz music. If you have any perspectives on the trombone, euphonium, marching baritone and other low brass instruments (or any instruments for that matter) in the context of your school jazz ensembles, combos, or general performance take a look at the original posts, the comments of other readers, and consider sharing your own thoughts on the matter.