How to read sheet music from zero
Reading music is taught like a second language. It is closer to reading a graph — the page tells you which note, and when.
Reading music is often taught as if it were a second language, which makes it sound like a years-long project. It is closer to reading a graph. The page tells you two things: which note to play, and when to play it. That is the entire system.
This is step three of the piano path, and step one of the music theory path. Everything else on this site assumes you can find a note on the page.
The staff is a picture of pitch
Five lines, four spaces. Higher on the page means higher in pitch. Lower means lower. A note sitting on the bottom line is lower than one sitting on the top line, and that relationship holds everywhere, always.
Notes occupy either a line or a space, and they alternate. Line, space, line, space, going up. Move a note up by one position and you have moved up one letter name.
The clef tells you where to start counting
The treble clef curls around the second line from the bottom and marks it as G. The bass clef has two dots either side of the fourth line and marks it as F.
That is all a clef does. It anchors one line to one note name, and every other note follows from the alternating pattern. Piano music uses both because two hands cover more range than one staff can show.
Note shape tells you duration
A hollow oval with no stem lasts four beats. A hollow oval with a stem lasts two. Fill the oval in and it lasts one. Add a flag and it lasts half a beat.
Each step halves the previous value. Once you notice that, you are not memorising a list, you are counting in halves.
How to actually practise this
Do not try to learn all the note names at once. Learn one anchor per staff — middle C is the usual choice — and count up or down from it. Slow, deliberate counting beats flashcards early on, because you are learning the relationships rather than isolated facts.
Recognition speed comes later and it comes from volume. Read something easy every day rather than something hard once a week.