How do orchestras warm up?
You warm up the muscles in your face, your jaw and your neck. ... You go to orchestra rehearsal or gather to play chamber music for two or three hours at a time, and frequently afterwards people have lower back pain, wrist, shoulder and neck pain.
How does an orchestra sound?
Orchestras always tune to 'A', because every string instrument has an 'A' string. The standard pitch is A=440 Hertz (440 vibrations per second). Some orchestras favor a slightly higher pitch, like A=442 or higher, which some believe results in a brighter sound.