Question: what key are oboes in?
Answer: A: The modern oboe is in the key of C, and has about a 2 1⁄2 octave range, from Bb below the piano's middle C to a high A above the staff. Q: Why does the oboe tune the orchestra, and what note is played? A: I play an 'A' to tune the orchestra at the start of each rehearsal and concert.