The symbols for the seven tones in simplified musical notation are 1234567.

Arranged from low to high, it is 1234567.

For treble, add dots above the note. The more dots, the higher the sound will be. For bass, add dots below the note. The more dots, the lower the sound will be.

According to the order of the basic note levels, starting from A and going up and down, write every note one after another until the same note appears. A C E G B D F A A F D B G E C A 5. Write down all the notes that may form a semitone with C (including basic and changing levels; upward and downward) C— # C C— b D C— x B C—B C— x A C— b C?

Extended information:

Add the first line, second line, third line and fourth line to the treble staff to represent la, do, mi and sol respectively. Add copy to the lower line to the first line, second line, third line and fourth line to represent do. ,la,fa,re.

The first, second, third and fourth lines on the bass staff are do, mi, sol and xi respectively, and the first, second, third and fourth lines on the bottom are mi, do, la and fa respectively.

Each hundred lines of the staff and the spaces between the lines are called line 1, line 2, line 3, line 4, line 5 and line respectively from bottom to top. Room 1, Room 2, Room 3, Room 4.

The plus line and the plus space are respectively called the top plus 1st line, the top plus 1st space; the bottom plus 1st line, the bottom plus 1st space, etc., each representing a sound level. The fixed height of these steps is determined by the clef used.