octave

my voice rose an octave or two as I screamed.

the upper parts of the harmony may be reduplicated at the octave above.

Provides a 6dB-per-octave rolloff filter at 115Hz.

Possessing a five-octave vocal range, Carey has been noted for her frequent use of melisma in her singing style and her capabilities in the whistle register.

Running up to an acid semitonal acciaccatura in both hands, the piano goes over into a sprint of octave-chords and single notes, jumping manically up and down the keyboard twice a bar.

Dying at my music! Bubble! Bubble! Hold me till the Octave"s run! Quick! Burst the Windows! Ritardando! Phials left, and the Sun!