Iyini i-octave?
Emfundisweni yomculo, i-octave iyinhlanganisela yomculo equkethe amanothi ayisikhombisa, ngokwesibonelo, kusuka ku-C kuya ku-C. Amanothi amabili akha i-octave azwakala efana kakhulu futhi ahluke ngephimbo noma imvamisa. Imvamisa yenothi eliphezulu iphindwe kabili kunenothi eliphansi.