The name of the note on the ledger line between the combined table and bass clef staves is:
A
F
Middle C
G

Bass Clef. This clef is also known as the "F clef." One way to remember this is that the line between the two dots is F (second line from the top).

Explanation:

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colored lines

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4-line staff

f, c, or g clef

notes on 5-line staff with clef

mensuration (longas and breves)

time signature (perfect or half circle)

most recent

notes on 5-line staff

modern clefs

modern note values (whole, half, quarter, and so on)

modern time signature

italian words and abbreviations for dynamics and tempo

staccato, slurs, and so on