. "written pitch" . "non-transposing instrument" . "Transposing instrument" . "B key instrument" . "B\u266D" . "concert" . "key" . "pitched" . "transposed" . "sounding one octave lower than written" . . "key of transposition" . "non-transposing instruments" . "in A" . "transposing instrument" . . "transposing" . . . "written" . "conventions for specific instruments" . "Transposing instrument" . "pitched in B" . "transposition" .