B music note
B note in treble clef
Here is a B note on a staff

The treble clef set the position of the G note on the second line from the bottom, so a B note can be written on the third line of the staff starting from the bottom.
B note in bass clef
Here is a B note on a staff with a bass clef:

The bass clef set the position of the F note on the fourth line from the bottom, so a B note can be written just above the fifth line of the staff (starting from the bottom), or on the second line of the staff.
B music note on a piano keyboard
Here are some B notes on a piano keyboard:
how to find the B note on a piano keyboard?
It's very simple! Do you see the black keys? There are two black keys, then three, then two, then three, and so on. The keys for B are just after the last of the three consecutive black keys.
The note B as tonic
The B note is the first music note (the tonic) of the B major scale and of the B minor scale:
B major scale

B minor scales
Remember that there are four kinds of minor scales:
B natural minor scale:

B harmonic minor scale

B ascending melodic minor scale

B descending melodic minor scale

The B note as leading tone (leading note)
The B note is the leading tone
C major scale:

C harmonic minor scale:

Frequency in Hertz of the B note (B4)
The scientific pitch notation (also known as American standard pitch notation) symbolizes the following B note as B4:
Depending on the tuning of the musical note A (A4) and in an equal-tempered scale, the frequency of the note B may vary:
If A4 = 440 Hertz: this B note (B4) has a frequency of 493.88 Hz
If A4 = 442 Hertz: this B note (B4) has a frequency of 496.13 Hz
Note: These frequency values in Hertz are valid only for the equal temperament. In other words, these frequencies correspond to the notes on a well-tuned piano.
The B note with different clefs
Obviously, there are several B notes spread out over many octaves. Here are some B notes in different clefs:
Some B notes with a treble clef (G clef)
Here are some B notes with a treble clef:
Some B notes with a bass clef
Here are some B notes with a bass clef:
Some B notes with a tenor clef
Here are some B notes with a tenor clef:
Some B notes with an alto clef
Here are some B notes with an alto clef:
Some B notes with a mezzo-soprano clef
Here are some B notes with a mezzo-soprano clef:
Some B notes with a soprano clef
Here are some B notes with a soprano clef:
Some B notes with a baritone clef
Here are some B notes with a baritone clef:
Scales starting with a B note
Here are all major scales and all minor scales starting with a B note:
B major scale:

B natural minor scale:

B harmonic minor scale:

B ascending melodic minor scale:

B descending melodic minor scale:

Enharmonic equivalents
Here are the enharmonic notes of B:
Notes:
- Enharmonic notes are notes that have the same pitch but not the same name.
- A double sharp is enharmonic to B because the double sharp raises the pitch by two half steps
(semitones ), and because there are two half steps between A and B. - C flat is enharmonic to B because the flat lowers the pitch by one half step and because there is one half steps between B and C.
The note B and accidentals
Here are all the possible accidentals you can find with the note B and their positions on a piano keyboard: