slots are essential to efficient playing. When the valves of
an instrument are not lined up properly, the slots are
interrupted. It's as though you are half-valving a note
(although, in reality, it is much less than half the valve
distance) all the time. When the slots are squirrely, it is
more difficult to execute proper slurs and attacks.
With a Bob Reeves Valve
Alignment, the slots on your horn will be well defined and