![Music, Piano keyboard, Octave, Pitch class, Major diatonic scale, Major chord, Chromatic scale, Tempered scale, Staff, Clef. Music, Piano keyboard, Octave, Pitch class, Major diatonic scale, Major chord, Chromatic scale, Tempered scale, Staff, Clef.](https://solitaryroad.com/c1060/ole1.gif)
Music, Piano keyboard, Octave, Pitch class, Major diatonic scale, Major chord, Chromatic scale, Tempered scale, Staff, Clef.
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Amazon.com: Piano and Keyboard Note Chart, Use Behind the Keys, Ideal Visual Tool for Beginners Learning Piano or Keyboard, Easy to Set Up, for any Medium to Full Size Piano or Keyboard,
![Octaves of a grand piano keyboard with scientific and Helmholtz pitch notation. Middle C is colored in gray. 88 keys and seven full octaves Stock Photo - Alamy Octaves of a grand piano keyboard with scientific and Helmholtz pitch notation. Middle C is colored in gray. 88 keys and seven full octaves Stock Photo - Alamy](https://c8.alamy.com/comp/W4W28D/octaves-of-a-grand-piano-keyboard-with-scientific-and-helmholtz-pitch-notation-middle-c-is-colored-in-gray-88-keys-and-seven-full-octaves-W4W28D.jpg)