Portion of the music keyboard. Middle C on the piano is C4 and A4 is... | Download Scientific Diagram
![File:Piano C key (Middle C or C4 Played on a Kurzweil PC3K6 MIDI controller).jpg - Wikimedia Commons File:Piano C key (Middle C or C4 Played on a Kurzweil PC3K6 MIDI controller).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/59/Piano_C_key_%28Middle_C_or_C4_Played_on_a_Kurzweil_PC3K6_MIDI_controller%29.jpg)
File:Piano C key (Middle C or C4 Played on a Kurzweil PC3K6 MIDI controller).jpg - Wikimedia Commons
![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.
![How to Find Middle C on Keyboards of Various Sizes | Keyboard lessons, Learn piano fast, Piano lessons How to Find Middle C on Keyboards of Various Sizes | Keyboard lessons, Learn piano fast, Piano lessons](https://i.pinimg.com/736x/1a/f0/1b/1af01b18099f36994dbaa8d3ab4ccd3d.jpg)
How to Find Middle C on Keyboards of Various Sizes | Keyboard lessons, Learn piano fast, Piano lessons
![Middle C on a piano keyboard, learning aid and cheat sheet Poster by Peter Hermes Furian - Fine Art America Middle C on a piano keyboard, learning aid and cheat sheet Poster by Peter Hermes Furian - Fine Art America](https://render.fineartamerica.com/images/rendered/default/poster/10/8/break/images/artworkimages/medium/3/middle-c-on-a-piano-keyboard-learning-aid-and-cheat-sheet-peter-hermes-furian.jpg)