The Brass Band Forum

As a baritone player I reckon that its probably about the hardest instrument to tell whether you are out of tune. Other instruments, like basses, might have more difficulty sorting themselves out, but at least they know about it if they are having intonation/tuning problems. Because the baritone sou...

It sounds like good advice you've been given, but playing in tune with your chops is best done in addition to moving your tuning slide as necessary. The slide on the back (the biggest one!) is the one to move in to make it sharper or out to do the opposite if you didnlt already know.