Low Sunday
Keyboard
octave is the name of a particular interval size
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The noun 'Easter Island' is a proper noun, the name of a specific place.
The term 'octave' is the name for an interval(space) between two notes. The frequency of the note is doubled, or halved, depending on whether the interval goes up or down in frequency. The two notes are heard toghether as the same, and will also have the same name. For example, an octave above A(440 Hz) is A(880 Hz) an octave under A(440 Hz) is A(220 Hz) To answer the question, the similarity between the keynote and an octave above it, is that the ratio between the frequency of these notes is 1:2 and of course, their names.
octave
Ben Easter's birth name is Benjamin Easter.
Robert Easter's birth name is Easter, Robert John.
The most commonly played recorders are the soprano, alto, tenor and bass recorders. Respectively, they are tuned to C, F, C, and F. Less commonly played instruments include the garklein (pitched in C, an octave above the soprano), sopranino (pitched in F, an octave above the alto), great bass (pitched in C, and octave below the tenor), and sub-contrabass recorders (pitched in F, an octave below the bass).
an octave
dieuson octave
The scientific name of Easter lily is Lilium longiflorum.