Ledger lines are little extra lines added on top or below the staff to help show notes that are too high or too low.
Sometimes music needs notes that go higher or lower than the regular lines. That's when we use ledger lines!
Check it out below to see how it works!
Think of the staff like a building. When notes go higher or lower than the top or bottom floor, they need a special 'elevator'—these are the ledger lines—to take them to those notes!