Trying to understand transposition on older pieces
I'm a string player trying to understand the intricacies of different instruments.
Let's look at Beethoven's 7th Symphony for example. It's written for Horn in A (and in D and E). I'm aware this was written for natural horns and the player would just use the correct crook for the key. And the written music is not in concert pitch, but assumes the player is using the correct crook. So it looks like it's in C major, not A major.
Fast forward to today and our F horns. Here's my question: would a player today read the same music that a natural horn player would? Do they just hand horn players the original and expect that they transpose everything? Or are modern editions transposed for horns in F?
Because it seems like transposing into any given key would be really hard. Seems like you would be transposing constantly on older pieces.
How does it all work?