On account of the difficulties involved in explaining the many aspects of memory for absolute pitch as due either to the complexity of the sound wave, or to the familiarity with certain clangs, Kohle is led to believe that recognition of notes is in many cases the result not of a memory for pitch*, but a memory for some other feature of tonal body. He quotes such aspects as the immediateness of the recognition of those who possess good tonal memory, their proverbially poor interval memories, their incompetence in the face of some new clang tint, the superiority of the recognition of chords over the recognition of single tones, and the frequency of errors of the octave interval, of fifths and of fourths.