Octaves may pertain-to a male.Logical formLearned from10 sentences. A voice may rise some octaves.Logical formLearned from10 sentences. Relation can be with parallel octaves.Logical formLearned from9 sentences. Octaves may pertain-to a female.Logical formLearned from9 sentences. A range can be octaves.Logical formLearned from9 sentences. Octaves can be left-hand.Logical formLearned from8 sentences. Octaves may undergo a use.Logical formLearned from8 sentences. Octaves may pedal.Logical formLearned from8 sentences. A voice may rise octaves.Logical formLearned from8 sentences. Waves may be separated by octaves.Logical formLearned from8 sentences. A voice may rise an octave.Logical formLearned from8 sentences. A baritone may rise an octave.Logical formLearned from8 sentences. Octaves can be privileged.Logical formLearned from7 sentences. A series can be constituted-of-or-filled-with octaves.Logical formLearned from7 sentences. Octaves can be repeated.Logical formLearned from7 sentences.