High D (first valve on trumpet) is usually flat - lip up or use 1 and 3 if really bad
1 and 3 and 123 valve combos are bad on pretty much all brass instruments, have 4-valve euphonium and tubas use 4th to replace 1 and 3 whenever possible, and 2 and 4 to replace 123
: I'm fairly still a novice director. Can
: someone please tell me the brass notes that
: I should keep an eye on due to their bad
: tuning tendencies?
: I'm a WW player and not familiar with a lot
: of the brass intonation issues. Help is