Any musical note that is one octave higher has twice the frequency. For example, the middle C note (C4) has a frequency of 261.6, and C3 is one octave lower than C4. C3 has a frequency of 130.81 which is half the frequency of C4. C4 is a higher pitch, and has twice the frequency…
Tag: octave
The Piano Keyboard
This piano keyboard has 12 keys. It has 7 white keys and 5 black keys. When you play any key on a piano, you hear a musical note sound. In music theory, each note sound (or pitch) has a note name. The same pitch or note can have more than one musical note names. They…
Piano Music Theory 