If you have ever played the piano or any musical instrument, then the first thing you are taught is the notes on them. They repeat on the piano. There are no other musical sounds for H or later on the alphabet. Therefore, there are seven English alphabet letters that can be used to represent musical sounds. There are several lines across musical sheets.
One way to remember the letters of the sounds on a line. Remember the word – face. These are the notes that fit in between the lines. That is the best way to remember the letters on the notes on the lines. Then you can begin playing on the piano because you will be able to read the notes.