"octave" - key terms from Wikipedia

approximately the c one octave
c one octave	above
c one octave	below
c to a an octave
db per octave
db per octave	with increasing
drops down an octave
equal divisions of the octave
gnu octave
higher octave	records
keys per octave
notated an octave
note an octave
notes per octave
octave
octave	above
octave	and a fifth
octave	apart
octave	below
octave	chanute
octave	equivalency
octave	higher
octave	instrument
octave	key
octave	lower
octave	lower than
octave	mandola
octave	mandolin
octave	span
octave	species
octave	tuning
octave	up
octave	up harmony
octave	uses
one octave
per octave
per octave	with increasing frequency
perfect octave
second octave
seven octave	species
sound one octave	above
transpose at the octave