I came across some interesting notation in a piece I'm playing earlier this week, and I'm really not quite sure what the composer intended for me to do.
I play French Horn, and here's the notation (2 before I):
(Sorry for the poor quality of the image). The best I can think of for this is a vibrato and a flutter, but that's just a guess. The "growl" note also has a Z over it, which is new to me as well.
Can anyone translate this for French Horn usage?