WhitneyCarol.swf (application/x-shockwave-flash Object) Stereomood – emotional internet radio - music for my mood and activities. Musical scale. The frequencies 440Hz and 880Hz both correspond to the musical note A, but one octave apart. The next higher A in the musical scale would have the frequency 1760Hz, twice 880Hz. In the western musical scale, there are 12 notes in every octave. Music and Colour ( Color ): a new approach to the relationship.