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Quiz answer: The Es shown in Fig.2. of the previous lesson are the same Pitch & Octave.

-The Piano Is an excellent tool for visualizing the layout of Notes and Scales.
All of the notes are played chromatically (one after the other). There is no repetition of Pitch at the same Octave.
It uses the same notes found on the Guitar (that’s why you can tune to it).
The black keys are the Sharps (Flats).
This makes it easy to see and understand what is going on.

OctaveFig.1. The D note to the next D note is a span of 1 Octave.

-An Octave is a span from any note to the same note 12 tones away.  (Either higher in pitch or lower in pitch).
It could be the (A note to the A note) or the (B note to the B note) or the (C note to the C note)… and so on through the 12 notes.
It does not have direction and may be ascending or descending the scale.

Technically it is a doubling ( when ascending) or halving ( when descending) of frequency.  If one note has a frequency of 440 Hz, the note an octave above it is at 880 Hz, and the note an octave below is at 220 Hz.

Video 1. The typical guitar spans almost 4 Octaves.
Beginning with the Low E (lowest possible note) this video demonstrates the first note of the remaining Octaves.

Quiz: Can the Octave of the open “D string” note be played higher in Pitch OR lower in Pitch
or can it be played either higher or lower?

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