the pitch used to tune instruments for concert performances; usually assigns 440 Hz to the A above middle C
A standard for the tuning of musical instruments, internationally agreed in 1960, in which the note A above middle C has a frequency of 440 Hz. The tuning used with middle 'A' corresponding to a frequency of 440Hz.
"C" Instruments which are pitched in C, such as the flute or oboe, are said to be in concert pitch. Conductors often discuss notes in concert pitch to avoid confusion with the many transposing instruments. Back