7. In singing correctly a note from

7. In singing correctly a note from memory do you image its notation on the staff, or do you think of a song which begins on this note? 8. Has your pitch memory upper or lower limits in range? Do you judge one octave better than another? 9. How loudly and how long must the note be sounded for you to judge it easily? 10. What errors in judgment do you sometimes make? Octave, fifth, semitone, etc.? 11. Have all the as for example, some likeness which distinguishes them from b, c, etc.? Is this similarity present in a lesser degree between a and e? 12. Can you tell when an instrument is a quarter or an eighth of a tone higher or lower than another if a long period of time intervenes between the two sounds?