The Layout of Piano Keys. The Difference between Keys and Notes

Piano lesson on labeling the piano keyboard. The truth about the difference between piano keys and their note names. Read about it here: http://www.piano-keyboard-guide.com/p... In theory, each key can have an infinite number of note names. Keys are not notes. Keys do not really have names. For instance, they are not really called A, B, C, D, E, F and G. They just play these notes.