The naturals on the piano all have a higher frequency of correctness than the accidentals. The notes at the extremes of the keyboard and those in the middle octave were most often named correctly. On the whole the accidentals in the thrice-accented octave received the fewest correct responses. The order of frequency, of identifications for the seven octaves is as follows: four-accented, once-accented, contra, twice accented, small, thrice-accented and great octave