Cheers can be octaves.Logical formLearned from3 sentences. A male may sing an octave.Logical formLearned from3 sentences. A female may raise a voice a couple of octaves.Logical formLearned from3 sentences. Octaves may pertain-to a function.Logical formLearned from3 sentences. Some octaves can be constituted-of-or-filled-with keys.Logical formLearned from3 sentences. A melody can be in octaves.Logical formLearned from3 sentences. Persons may bring_down octaves.Logical formLearned from3 sentences. Some octaves can be high.Logical formLearned from3 sentences. Courses may be tuned in octaves.Logical formLearned from2 sentences. Octaves can be famous.Logical formLearned from2 sentences. Some octaves can be in some syllables.Logical formLearned from2 sentences. Some octaves can be in compass.Logical formLearned from2 sentences. Octaves can be in a left hand.Logical formLearned from2 sentences. A pope may classify octaves.Logical formLearned from2 sentences. Some octaves may overlap.Logical formLearned from2 sentences.