As you look at the bass clef portion, imagine the note being down a fifth (2 lines or 2 spaces). So, if you find concert C on the first ledger line above the bass clef, imagine it down two lines, which places it on the fourth line of the staff. That's the D I stated earlier in a treble clef portion. The relationship between the bass clef and the staff is very similar to that between the treble clef and the staff. Here are some other tips for learning how to read music: try playing songs back to front, start with short notes and build up to long ones, practice reading music that's not in score notation, and don't be afraid to ask questions!