I've had five different concerts in a row this past four weeks, and for three of them I was not playing principal. Which meant that I got to sit back and enjoy watching someone else sweat the tuning notes. Maybe everyone doesn't find the tuning A as stressful as I do - certainly no one I've played with seems anxious about it or sounds bad in any way. But I've struggled to find a consistent approach. It's not the pitch itself - I know what A 440 feels like in my body and on my instrument and I can produce it on demand. No, it's the attack. What an ugly word, attack. But that's sometimes what it feels like. The concertmaster stands up, and suddenly NOW, NOW is the moment and I have to make the sound instantly. I know how to gently start a note. I know how to support into the center of the pitch and I know how to stabilize it with my air and not my embouchure so it sounds full and unshakeable and confident. But somehow when on the spot I ca...