ledger line การใช้

Now, anyone able to describe the fingering for B on the fifth ledger line in a similar way ??
He notes the difference between the bass and treble staffs, talks about ledger lines and tells about flats and sharps.
The strings below the sixth course are notated with additional short ledger lines : glyphs are placed below the staff.
The use of tenor or treble clef avoids excessive ledger lines above the staff when notating the instrument's upper range.
You will get the note A ( the first ledger line above the staff ) if you blow through the mouthpiece.